251244545

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 315127800

約数和(自身を除く): 63883255

約数列:

[1, 5, 29, 145, 149, 401, 745, 841, 2005, 4205, 4321, 11629, 21605, 58145, 59749, 125309, 298745, 337241, 626545, 1686205, 1732721, 8663605, 50248909, 251244545]

約数ペア:

[(1, 251244545), (5, 50248909), (29, 8663605), (145, 1732721), (149, 1686205), (401, 626545), (745, 337241), (841, 298745), (2005, 125309), (4205, 59749), (4321, 58145), (11629, 21605)]