397389628

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{499}}^1\times {\mathrm{2237}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 704970000

約数和(自身を除く): 307580372

約数列:

[1, 2, 4, 89, 178, 356, 499, 998, 1996, 2237, 4474, 8948, 44411, 88822, 177644, 199093, 398186, 796372, 1116263, 2232526, 4465052, 99347407, 198694814, 397389628]

約数ペア:

[(1, 397389628), (2, 198694814), (4, 99347407), (89, 4465052), (178, 2232526), (356, 1116263), (499, 796372), (998, 398186), (1996, 199093), (2237, 177644), (4474, 88822), (8948, 44411)]