1991330512

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{400187}}^1$

素因数の和:400506

約数の個数: 20

約数和(自身を含む): 3870618336

約数和(自身を除く): 1879287824

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 400187, 800374, 1600748, 3201496, 6402992, 124458157, 248916314, 497832628, 995665256, 1991330512]

約数ペア:

[(1, 1991330512), (2, 995665256), (4, 497832628), (8, 248916314), (16, 124458157), (311, 6402992), (622, 3201496), (1244, 1600748), (2488, 800374), (4976, 400187)]