331322644

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{129221}}^1$

素因数の和:129866

約数の個数: 12

約数和(自身を含む): 580723668

約数和(自身を除く): 249401024

約数列:

[1, 2, 4, 641, 1282, 2564, 129221, 258442, 516884, 82830661, 165661322, 331322644]

約数ペア:

[(1, 331322644), (2, 165661322), (4, 82830661), (641, 516884), (1282, 258442), (2564, 129221)]