208509259

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{28559}}^1$

素因数の和:28722

約数の個数: 12

約数和(自身を含む): 244188000

約数和(自身を除く): 35678741

約数列:

[1, 7, 49, 149, 1043, 7301, 28559, 199913, 1399391, 4255291, 29787037, 208509259]

約数ペア:

[(1, 208509259), (7, 29787037), (49, 4255291), (149, 1399391), (1043, 199913), (7301, 28559)]