4000238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:883

約数の個数: 16

約数和(自身を含む): 6577200

約数和(自身を除く): 2576962

約数列:

[1, 2, 11, 22, 349, 521, 698, 1042, 3839, 5731, 7678, 11462, 181829, 363658, 2000119, 4000238]

約数ペア:

[(1, 4000238), (2, 2000119), (11, 363658), (22, 181829), (349, 11462), (521, 7678), (698, 5731), (1042, 3839)]