257130167

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 298209600

約数和(自身を除く): 41079433

約数列:

[1, 7, 89, 389, 623, 1061, 2723, 7427, 34621, 94429, 242347, 412729, 661003, 2889103, 36732881, 257130167]

約数ペア:

[(1, 257130167), (7, 36732881), (89, 2889103), (389, 661003), (623, 412729), (1061, 242347), (2723, 94429), (7427, 34621)]