272978788

素因数分解:

$2^2\times {\mathrm{397}}^2\times {\mathrm{433}}^1$

素因数の和:1231

約数の個数: 18

約数和(自身を含む): 480025266

約数和(自身を除く): 207046478

約数列:

[1, 2, 4, 397, 433, 794, 866, 1588, 1732, 157609, 171901, 315218, 343802, 630436, 687604, 68244697, 136489394, 272978788]

約数ペア:

[(1, 272978788), (2, 136489394), (4, 68244697), (397, 687604), (433, 630436), (794, 343802), (866, 315218), (1588, 171901), (1732, 157609)]