400718978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{9851}}^1$

素因数の和:9950

約数の個数: 24

約数和(自身を含む): 671394096

約数和(自身を除く): 270675118

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 1849, 3698, 9851, 19702, 20339, 40678, 108361, 216722, 423593, 847186, 4659523, 9319046, 18214499, 36428998, 200359489, 400718978]

約数ペア:

[(1, 400718978), (2, 200359489), (11, 36428998), (22, 18214499), (43, 9319046), (86, 4659523), (473, 847186), (946, 423593), (1849, 216722), (3698, 108361), (9851, 40678), (19702, 20339)]