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A097498
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Numbers divisible by their abundance sigma(n) - 2n.
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5
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1, 2, 4, 8, 10, 12, 16, 18, 20, 24, 32, 40, 44, 56, 64, 88, 104, 120, 128, 136, 152, 184, 196, 224, 234, 256, 368, 464, 512, 650, 672, 752, 884, 992, 1024, 1504, 1888, 1952, 2048, 2144, 2272, 2528, 3724, 4096, 5624, 8192, 8384, 9112, 11096, 12224, 13736
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OFFSET
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1,2
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LINKS
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Eric Weisstein's World of Mathematics, Abundance
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MATHEMATICA
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Select[Range[15000], Divisible[#, DivisorSigma[1, #]-2#]&]//Quiet (* Harvey P. Dale, Mar 15 2018 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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