Sporadic solutions m to the congruence sigma(m) == 12 (mod m).

A234238

Sporadic solutions m to the congruence sigma(m) == 12 (mod m).

Terms

    a(0) =24a(1) =54a(2) =121a(3) =304a(4) =780a(5) =2352a(6) =127744a(7) =430272a(8) =33501184a(9) =184773312a(10) =8589082624

External references