2641538557

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{128311}}^1$

素因数の和:128508

約数の個数: 16

約数和(自身を含む): 3214985472

約数和(自身を除く): 573446915

約数列:

[1, 7, 17, 119, 173, 1211, 2941, 20587, 128311, 898177, 2181287, 15269009, 22197803, 155384621, 377362651, 2641538557]

約数ペア:

[(1, 2641538557), (7, 377362651), (17, 155384621), (119, 22197803), (173, 15269009), (1211, 2181287), (2941, 898177), (20587, 128311)]