13258765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 17728200

約数和(自身を除く): 4469435

約数列:

[1, 5, 13, 37, 65, 149, 185, 481, 745, 1369, 1937, 2405, 5513, 6845, 9685, 17797, 27565, 71669, 88985, 203981, 358345, 1019905, 2651753, 13258765]

約数ペア:

[(1, 13258765), (5, 2651753), (13, 1019905), (37, 358345), (65, 203981), (149, 88985), (185, 71669), (481, 27565), (745, 17797), (1369, 9685), (1937, 6845), (2405, 5513)]