664006975

素因数分解:

$5^2\times {\mathrm{809}}^1\times {\mathrm{32831}}^1$

素因数の和:33650

約数の個数: 12

約数和(自身を含む): 824411520

約数和(自身を除く): 160404545

約数列:

[1, 5, 25, 809, 4045, 20225, 32831, 164155, 820775, 26560279, 132801395, 664006975]

約数ペア:

[(1, 664006975), (5, 132801395), (25, 26560279), (809, 820775), (4045, 164155), (20225, 32831)]