409261372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7870411}}^1$

素因数の和:7870428

約数の個数: 12

約数和(自身を含む): 771300376

約数和(自身を除く): 362039004

約数列:

[1, 2, 4, 13, 26, 52, 7870411, 15740822, 31481644, 102315343, 204630686, 409261372]

約数ペア:

[(1, 409261372), (2, 204630686), (4, 102315343), (13, 31481644), (26, 15740822), (52, 7870411)]