64554425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 86619456

約数和(自身を除く): 22065031

約数列:

[1, 5, 13, 25, 65, 307, 325, 647, 1535, 3235, 3991, 7675, 8411, 16175, 19955, 42055, 99775, 198629, 210275, 993145, 2582177, 4965725, 12910885, 64554425]

約数ペア:

[(1, 64554425), (5, 12910885), (13, 4965725), (25, 2582177), (65, 993145), (307, 210275), (325, 198629), (647, 99775), (1535, 42055), (3235, 19955), (3991, 16175), (7675, 8411)]