128174543

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{153871}}^1$

素因数の和:153902

約数の個数: 12

約数和(自身を含む): 157872672

約数和(自身を除く): 29698129

約数列:

[1, 7, 17, 49, 119, 833, 153871, 1077097, 2615807, 7539679, 18310649, 128174543]

約数ペア:

[(1, 128174543), (7, 18310649), (17, 7539679), (49, 2615807), (119, 1077097), (833, 153871)]