64734475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 86834720

約数和(自身を除く): 22100245

約数列:

[1, 5, 13, 25, 65, 325, 409, 487, 2045, 2435, 5317, 6331, 10225, 12175, 26585, 31655, 132925, 158275, 199183, 995915, 2589379, 4979575, 12946895, 64734475]

約数ペア:

[(1, 64734475), (5, 12946895), (13, 4979575), (25, 2589379), (65, 995915), (325, 199183), (409, 158275), (487, 132925), (2045, 31655), (2435, 26585), (5317, 12175), (6331, 10225)]