397421605

素因数分解:

$5^1\times 7^2\times {\mathrm{733}}^1\times {\mathrm{2213}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 555775992

約数和(自身を除く): 158354387

約数列:

[1, 5, 7, 35, 49, 245, 733, 2213, 3665, 5131, 11065, 15491, 25655, 35917, 77455, 108437, 179585, 542185, 1622129, 8110645, 11354903, 56774515, 79484321, 397421605]

約数ペア:

[(1, 397421605), (5, 79484321), (7, 56774515), (35, 11354903), (49, 8110645), (245, 1622129), (733, 542185), (2213, 179585), (3665, 108437), (5131, 77455), (11065, 35917), (15491, 25655)]