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Numbers with abundance 32.
6

%I #28 Aug 23 2018 11:01:48

%S 572,992,7544,10184,28544,83312,113072,122624,382772,507392,537248,

%T 698528,791264,1081568,1279136,2154584,2279072,5029184,15126992,

%U 29581424,74899952,89245784,95327216,307801856,623799776,712023296,903230984,1734487184,9210347984

%N Numbers with abundance 32.

%C a(74) > 10^18. - _Hiroaki Yamanouchi_, Aug 23 2018

%H Hiroaki Yamanouchi, <a href="/A175989/b175989.txt">Table of n, a(n) for n = 1..73</a> (first 47 terms from Giovanni Resta)

%F {n: A033880(n) = 32}.

%t Select[Range[10000000],DivisorSigma[1,#]-2#==32&] (* _Harvey P. Dale_, Dec 10 2010 *)

%o (PARI) is(n)=sigma(n)==2*n+32 \\ _Charles R Greathouse IV_, Feb 21 2017

%Y Cf. A005101, A141545-A141547, A181601.

%K nonn

%O 1,1

%A _R. J. Mathar_, Nov 04 2010

%E Additional terms provided by _Harvey P. Dale_, Dec 10 2010

%E a(19)-a(29) from _Donovan Johnson_, Dec 08 2011