661717072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1334107}}^1$

素因数の和:1334146

約数の個数: 20

約数和(自身を含む): 1323435136

約数和(自身を除く): 661718064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1334107, 2668214, 5336428, 10672856, 21345712, 41357317, 82714634, 165429268, 330858536, 661717072]

約数ペア:

[(1, 661717072), (2, 330858536), (4, 165429268), (8, 82714634), (16, 41357317), (31, 21345712), (62, 10672856), (124, 5336428), (248, 2668214), (496, 1334107)]