168408025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{75689}}^1$

素因数の和:75788

約数の個数: 12

約数和(自身を含む): 211175100

約数和(自身を除く): 42767075

約数列:

[1, 5, 25, 89, 445, 2225, 75689, 378445, 1892225, 6736321, 33681605, 168408025]

約数ペア:

[(1, 168408025), (5, 33681605), (25, 6736321), (89, 1892225), (445, 378445), (2225, 75689)]