128469817

素因数分解:

$7^2\times {\mathrm{1031}}^1\times {\mathrm{2543}}^1$

素因数の和:3588

約数の個数: 12

約数和(自身を含む): 149648256

約数和(自身を除く): 21178439

約数列:

[1, 7, 49, 1031, 2543, 7217, 17801, 50519, 124607, 2621833, 18352831, 128469817]

約数ペア:

[(1, 128469817), (7, 18352831), (49, 2621833), (1031, 124607), (2543, 50519), (7217, 17801)]