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Numbers m with divisor 8 | m and abundance sigma(m)-2*m = 8.
13

%I #18 Mar 11 2024 04:16:46

%S 56,368,11096,17816,77744,128768,2087936,2291936,13174976,35021696,

%T 45335936,381236216,4856970752,6800228816,8589344768,1461083549696,

%U 1471763808896,2199013818368,19502341651712,118123076415296,933386556194816,144141575952121856,417857739454939136

%N Numbers m with divisor 8 | m and abundance sigma(m)-2*m = 8.

%C a(19) > 10^13. - _Giovanni Resta_, Apr 02 2014

%F A088833 INTERSECT A008590. - _R. J. Mathar_, Nov 04 2010

%o (PARI) isok(n) = !(n % 8) && (sigma(n) - 2*n == 8); \\ _Michel Marcus_, Feb 08 2016

%Y Cf. A008590, A088833, A097498, A181595, A181596, A181597, A118372, A045768, A000396, A005101, A153501, A005820.

%K nonn

%O 1,1

%A _Vladimir Shevelev_, Nov 01 2010

%E Definition rephrased by _R. J. Mathar_, Nov 04 2010

%E a(16)-a(17) from _Donovan Johnson_, Dec 08 2011

%E a(18) from _Giovanni Resta_, Apr 02 2014

%E a(19)-a(23) from the b-file at A088833 added by _Amiram Eldar_, Mar 11 2024