257367872

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{24671}}^1$

素因数の和:24846

約数の個数: 28

約数和(自身を含む): 513868416

約数和(自身を除く): 256500544

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 326, 652, 1304, 2608, 5216, 10432, 24671, 49342, 98684, 197368, 394736, 789472, 1578944, 4021373, 8042746, 16085492, 32170984, 64341968, 128683936, 257367872]

約数ペア:

[(1, 257367872), (2, 128683936), (4, 64341968), (8, 32170984), (16, 16085492), (32, 8042746), (64, 4021373), (163, 1578944), (326, 789472), (652, 394736), (1304, 197368), (2608, 98684), (5216, 49342), (10432, 24671)]