128257199

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2473}}^1$

素因数の和:2750

約数の個数: 16

約数和(自身を含む): 152002560

約数和(自身を除く): 23745361

約数列:

[1, 7, 31, 217, 239, 1673, 2473, 7409, 17311, 51863, 76663, 536641, 591047, 4137329, 18322457, 128257199]

約数ペア:

[(1, 128257199), (7, 18322457), (31, 4137329), (217, 591047), (239, 536641), (1673, 76663), (2473, 51863), (7409, 17311)]