388377925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1847}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 519716736

約数和(自身を除く): 131338811

約数列:

[1, 5, 13, 25, 65, 325, 647, 1847, 3235, 8411, 9235, 16175, 24011, 42055, 46175, 120055, 210275, 600275, 1195009, 5975045, 15535117, 29875225, 77675585, 388377925]

約数ペア:

[(1, 388377925), (5, 77675585), (13, 29875225), (25, 15535117), (65, 5975045), (325, 1195009), (647, 600275), (1847, 210275), (3235, 120055), (8411, 46175), (9235, 42055), (16175, 24011)]