128512888

素因数分解:

$2^3\times 7^2\times {\mathrm{327839}}^1$

素因数の和:327859

約数の個数: 24

約数和(自身を含む): 280303200

約数和(自身を除く): 151790312

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 327839, 655678, 1311356, 2294873, 2622712, 4589746, 9179492, 16064111, 18358984, 32128222, 64256444, 128512888]

約数ペア:

[(1, 128512888), (2, 64256444), (4, 32128222), (7, 18358984), (8, 16064111), (14, 9179492), (28, 4589746), (49, 2622712), (56, 2294873), (98, 1311356), (196, 655678), (392, 327839)]