70291775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{199}}^2$

素因数の和:479

約数の個数: 18

約数和(自身を含む): 88835832

約数和(自身を除く): 18544057

約数列:

[1, 5, 25, 71, 199, 355, 995, 1775, 4975, 14129, 39601, 70645, 198005, 353225, 990025, 2811671, 14058355, 70291775]

約数ペア:

[(1, 70291775), (5, 14058355), (25, 2811671), (71, 990025), (199, 353225), (355, 198005), (995, 70645), (1775, 39601), (4975, 14129)]