663670025

素因数分解:

$5^2\times {\mathrm{631}}^1\times {\mathrm{42071}}^1$

素因数の和:42712

約数の個数: 12

約数和(自身を含む): 824274624

約数和(自身を除く): 160604599

約数列:

[1, 5, 25, 631, 3155, 15775, 42071, 210355, 1051775, 26546801, 132734005, 663670025]

約数ペア:

[(1, 663670025), (5, 132734005), (25, 26546801), (631, 1051775), (3155, 210355), (15775, 42071)]