256390352

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{30757}}^1$

素因数の和:31286

約数の個数: 20

約数和(自身を含む): 497725956

約数和(自身を除く): 241335604

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 4168, 8336, 30757, 61514, 123028, 246056, 492112, 16024397, 32048794, 64097588, 128195176, 256390352]

約数ペア:

[(1, 256390352), (2, 128195176), (4, 64097588), (8, 32048794), (16, 16024397), (521, 492112), (1042, 246056), (2084, 123028), (4168, 61514), (8336, 30757)]