521647540016

素因数分解:

$2^4\times {\mathrm{123143}}^1\times {\mathrm{264757}}^1$

素因数の和:387908

約数の個数: 20

約数和(自身を含む): 1010704133712

約数和(自身を除く): 489056593696

約数列:

[1, 2, 4, 8, 16, 123143, 246286, 264757, 492572, 529514, 985144, 1059028, 1970288, 2118056, 4236112, 32602971251, 65205942502, 130411885004, 260823770008, 521647540016]

約数ペア:

[(1, 521647540016), (2, 260823770008), (4, 130411885004), (8, 65205942502), (16, 32602971251), (123143, 4236112), (246286, 2118056), (264757, 1970288), (492572, 1059028), (529514, 985144)]