398539442

素因数分解:

$2^1\times 7^2\times {\mathrm{4066729}}^1$

素因数の和:4066745

約数の個数: 12

約数和(自身を含む): 695410830

約数和(自身を除く): 296871388

約数列:

[1, 2, 7, 14, 49, 98, 4066729, 8133458, 28467103, 56934206, 199269721, 398539442]

約数ペア:

[(1, 398539442), (2, 199269721), (7, 56934206), (14, 28467103), (49, 8133458), (98, 4066729)]