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%I #22 Nov 30 2019 17:50:20
%S 95295817,124035913,749931337,4275383113,47268697363953913
%N 2772-hyperperfect numbers: n = 2772*(sigma(n)-n-1) + 1.
%C 10^19 < a(6) <= 186690534609915040044368953. - _Max Alekseyev_, Nov 30 2019
%H Judson S. McCranie, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL3/mccranie.html">A Study of Hyperperfect Numbers</a>, Journal of Integer Sequences, Vol. 3 (2000), Article 00.1.3.
%Y Cf. A000396, A007593, A220290, A028499, A028500, A028501, A034916.
%K hard,more,nonn
%O 1,1
%A _Jud McCranie_
%E a(5) from _Max Alekseyev_, Nov 18 2019
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