2850871405

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{401}}^1\times {\mathrm{769}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 3515755320

約数和(自身を除く): 664883915

約数列:

[1, 5, 43, 215, 401, 769, 1849, 2005, 3845, 9245, 17243, 33067, 86215, 165335, 308369, 741449, 1421881, 1541845, 3707245, 7109405, 13259867, 66299335, 570174281, 2850871405]

約数ペア:

[(1, 2850871405), (5, 570174281), (43, 66299335), (215, 13259867), (401, 7109405), (769, 3707245), (1849, 1541845), (2005, 1421881), (3845, 741449), (9245, 308369), (17243, 165335), (33067, 86215)]