161778239

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{5641}}^1$

素因数の和:5906

約数の個数: 16

約数和(自身を含む): 196612416

約数和(自身を除く): 34834177

約数列:

[1, 7, 17, 119, 241, 1687, 4097, 5641, 28679, 39487, 95897, 671279, 1359481, 9516367, 23111177, 161778239]

約数ペア:

[(1, 161778239), (7, 23111177), (17, 9516367), (119, 1359481), (241, 671279), (1687, 95897), (4097, 39487), (5641, 28679)]