64473877

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{131}}^2$

素因数の和:309

約数の個数: 18

約数和(自身を含む): 74325314

約数和(自身を除く): 9851437

約数列:

[1, 13, 17, 131, 221, 289, 1703, 2227, 3757, 17161, 28951, 37859, 223093, 291737, 492167, 3792581, 4959529, 64473877]

約数ペア:

[(1, 64473877), (13, 4959529), (17, 3792581), (131, 492167), (221, 291737), (289, 223093), (1703, 37859), (2227, 28951), (3757, 17161)]