1640668864

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{264283}}^1$

素因数の和:264392

約数の個数: 28

約数和(自身を含む): 3289278664

約数和(自身を除く): 1648609800

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 6208, 264283, 528566, 1057132, 2114264, 4228528, 8457056, 16914112, 25635451, 51270902, 102541804, 205083608, 410167216, 820334432, 1640668864]

約数ペア:

[(1, 1640668864), (2, 820334432), (4, 410167216), (8, 205083608), (16, 102541804), (32, 51270902), (64, 25635451), (97, 16914112), (194, 8457056), (388, 4228528), (776, 2114264), (1552, 1057132), (3104, 528566), (6208, 264283)]