1520402219

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{10657}}^1$

素因数の和:10982

約数の個数: 16

約数和(自身を含む): 1764964800

約数和(自身を除く): 244562581

約数列:

[1, 7, 89, 229, 623, 1603, 10657, 20381, 74599, 142667, 948473, 2440453, 6639311, 17083171, 217200317, 1520402219]

約数ペア:

[(1, 1520402219), (7, 217200317), (89, 17083171), (229, 6639311), (623, 2440453), (1603, 948473), (10657, 142667), (20381, 74599)]