388628656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1868407}}^1$

素因数の和:1868428

約数の個数: 20

約数和(自身を含む): 810889072

約数和(自身を除く): 422260416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1868407, 3736814, 7473628, 14947256, 24289291, 29894512, 48578582, 97157164, 194314328, 388628656]

約数ペア:

[(1, 388628656), (2, 194314328), (4, 97157164), (8, 48578582), (13, 29894512), (16, 24289291), (26, 14947256), (52, 7473628), (104, 3736814), (208, 1868407)]