221486285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{19891}}^1$

素因数の和:20044

約数の個数: 16

約数和(自身を含む): 283580352

約数和(自身を除く): 62094067

約数列:

[1, 5, 17, 85, 131, 655, 2227, 11135, 19891, 99455, 338147, 1690735, 2605721, 13028605, 44297257, 221486285]

約数ペア:

[(1, 221486285), (5, 44297257), (17, 13028605), (85, 2605721), (131, 1690735), (655, 338147), (2227, 99455), (11135, 19891)]