1621377360620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{8470261}}^1$

素因数の和:8470850

約数の個数: 48

約数和(自身を含む): 3611584192608

約数和(自身を除く): 1990206831988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 563, 1126, 2252, 2815, 5630, 9571, 11260, 19142, 38284, 47855, 95710, 191420, 8470261, 16940522, 33881044, 42351305, 84702610, 143994437, 169405220, 287988874, 575977748, 719972185, 1439944370, 2879888740, 4768756943, 9537513886, 19075027772, 23843784715, 47687569430, 81068868031, 95375138860, 162137736062, 324275472124, 405344340155, 810688680310, 1621377360620]

約数ペア:

[(1, 1621377360620), (2, 810688680310), (4, 405344340155), (5, 324275472124), (10, 162137736062), (17, 95375138860), (20, 81068868031), (34, 47687569430), (68, 23843784715), (85, 19075027772), (170, 9537513886), (340, 4768756943), (563, 2879888740), (1126, 1439944370), (2252, 719972185), (2815, 575977748), (5630, 287988874), (9571, 169405220), (11260, 143994437), (19142, 84702610), (38284, 42351305), (47855, 33881044), (95710, 16940522), (191420, 8470261)]