12971959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12959}}^1$

素因数の和:12990

約数の個数: 16

約数和(自身を含む): 17418240

約数和(自身を除く): 4446281

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 12959, 90713, 142549, 168467, 997843, 1179269, 1853137, 12971959]

約数ペア:

[(1, 12971959), (7, 1853137), (11, 1179269), (13, 997843), (77, 168467), (91, 142549), (143, 90713), (1001, 12959)]