405909668

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{324209}}^1$

素因数の和:324526

約数の個数: 12

約数和(自身を含む): 712613580

約数和(自身を除く): 306703912

約数列:

[1, 2, 4, 313, 626, 1252, 324209, 648418, 1296836, 101477417, 202954834, 405909668]

約数ペア:

[(1, 405909668), (2, 202954834), (4, 101477417), (313, 1296836), (626, 648418), (1252, 324209)]