201991525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{278609}}^1$

素因数の和:278648

約数の個数: 12

約数和(自身を含む): 259107300

約数和(自身を除く): 57115775

約数列:

[1, 5, 25, 29, 145, 725, 278609, 1393045, 6965225, 8079661, 40398305, 201991525]

約数ペア:

[(1, 201991525), (5, 40398305), (25, 8079661), (29, 6965225), (145, 1393045), (725, 278609)]