64257475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 82985760

約数和(自身を除く): 18728285

約数列:

[1, 5, 25, 29, 145, 263, 337, 725, 1315, 1685, 6575, 7627, 8425, 9773, 38135, 48865, 88631, 190675, 244325, 443155, 2215775, 2570299, 12851495, 64257475]

約数ペア:

[(1, 64257475), (5, 12851495), (25, 2570299), (29, 2215775), (145, 443155), (263, 244325), (337, 190675), (725, 88631), (1315, 48865), (1685, 38135), (6575, 9773), (7627, 8425)]