A181601 Numbers m with divisor 32 | m and abundance sigma(m)-2*m = 32.

992, 28544, 122624, 507392, 537248, 698528, 791264, 1081568, 1279136, 2279072, 5029184, 307801856, 623799776, 712023296, 11196261056, 14809750016, 34355412992, 59640734144, 340536203264, 637707589184, 1091487733184, 1473169206272, 1709840369984, 2526522709184

Offset: 1

Author

Vladimir Shevelev, Nov 01 2010

Keywords

• nonn

Comments

A subsequence of A175989. - R. J. Mathar, Nov 04 2010

Links

• Amiram Eldar, Table of n, a(n) for n = 1..45 (calculated using the b-file at A175989)

Crossrefs

Cf. A000203, A005101, A005820, A045768, A097498, A118372, A153501, A175989, A181595, A181596, A181597, A181598, A181599.

Programs

Mathematica

Select[32Range[1000000],DivisorSigma[1,#]-2#==32&] (* Harvey P. Dale, Aug 16 2011 *)

Extensions

Definition rephrased, a(5)-a(11) appended - R. J. Mathar, Nov 04 2010

a(12)-a(24) from Donovan Johnson, Dec 08 2011