217439644

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{300331}}^1$

素因数の和:300516

約数の個数: 12

約数和(自身を含む): 382622968

約数和(自身を除く): 165183324

約数列:

[1, 2, 4, 181, 362, 724, 300331, 600662, 1201324, 54359911, 108719822, 217439644]

約数ペア:

[(1, 217439644), (2, 108719822), (4, 54359911), (181, 1201324), (362, 600662), (724, 300331)]