397156864

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{59669}}^1$

素因数の和:59700

約数の個数: 40

約数和(自身を含む): 854593740

約数和(自身を除く): 457436876

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 59669, 119338, 238676, 477352, 775697, 954704, 1551394, 1909408, 3102788, 3818816, 6205576, 7637632, 12411152, 15275264, 24822304, 30550528, 49644608, 99289216, 198578432, 397156864]

約数ペア:

[(1, 397156864), (2, 198578432), (4, 99289216), (8, 49644608), (13, 30550528), (16, 24822304), (26, 15275264), (32, 12411152), (52, 7637632), (64, 6205576), (104, 3818816), (128, 3102788), (208, 1909408), (256, 1551394), (416, 954704), (512, 775697), (832, 477352), (1664, 238676), (3328, 119338), (6656, 59669)]