87130984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{640669}}^1$

素因数の和:640692

約数の個数: 16

約数和(自身を含む): 172980900

約数和(自身を除く): 85849916

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 640669, 1281338, 2562676, 5125352, 10891373, 21782746, 43565492, 87130984]

約数ペア:

[(1, 87130984), (2, 43565492), (4, 21782746), (8, 10891373), (17, 5125352), (34, 2562676), (68, 1281338), (136, 640669)]