64928525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4129}}^1$

素因数の和:4193

約数の個数: 24

約数和(自身を含む): 87572520

約数和(自身を除く): 22643995

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 3145, 4129, 15725, 20645, 70193, 103225, 152773, 350965, 763865, 1754825, 2597141, 3819325, 12985705, 64928525]

約数ペア:

[(1, 64928525), (5, 12985705), (17, 3819325), (25, 2597141), (37, 1754825), (85, 763865), (185, 350965), (425, 152773), (629, 103225), (925, 70193), (3145, 20645), (4129, 15725)]