65812825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 90972228

約数和(自身を除く): 25159403

約数列:

[1, 5, 13, 25, 37, 65, 169, 185, 325, 421, 481, 845, 925, 2105, 2405, 4225, 5473, 6253, 10525, 12025, 15577, 27365, 31265, 71149, 77885, 136825, 156325, 202501, 355745, 389425, 1012505, 1778725, 2632513, 5062525, 13162565, 65812825]

約数ペア:

[(1, 65812825), (5, 13162565), (13, 5062525), (25, 2632513), (37, 1778725), (65, 1012505), (169, 389425), (185, 355745), (325, 202501), (421, 156325), (481, 136825), (845, 77885), (925, 71149), (2105, 31265), (2405, 27365), (4225, 15577), (5473, 12025), (6253, 10525)]