221518511

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1459}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 238972800

約数和(自身を除く): 17454289

約数列:

[1, 19, 61, 131, 1159, 1459, 2489, 7991, 27721, 88999, 151829, 191129, 1690981, 3631451, 11658869, 221518511]

約数ペア:

[(1, 221518511), (19, 11658869), (61, 3631451), (131, 1690981), (1159, 191129), (1459, 151829), (2489, 88999), (7991, 27721)]