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Numbers n such that the sum of the anti-divisors of n (excluding 1) = sum of proper divisors (or aliquot parts) of n.
2

%I #15 Feb 20 2024 07:01:57

%S 1,4,44,260,1350,6284,6954,13364,273366,333546,466614,4659934050

%N Numbers n such that the sum of the anti-divisors of n (excluding 1) = sum of proper divisors (or aliquot parts) of n.

%C See A066272 for definition of anti-divisor.

%C a(12) > 10^10. - _Hiroaki Yamanouchi_, Mar 18 2015

%Y Cf. A001065, A066417.

%K more,nonn

%O 1,2

%A _Jason Earls_, Sep 06 2002

%E a(11) from _Hiroaki Yamanouchi_, Mar 18 2015