161913862655

素因数分解:

$5^1\times {\mathrm{19}}^3\times {\mathrm{359}}^1\times {\mathrm{13151}}^1$

素因数の和:13572

約数の個数: 32

約数和(自身を含む): 205676236800

約数和(自身を除く): 43762374145

約数列:

[1, 5, 19, 95, 359, 361, 1795, 1805, 6821, 6859, 13151, 34105, 34295, 65755, 129599, 249869, 647995, 1249345, 2462381, 4721209, 4747511, 12311905, 23606045, 23737555, 89702971, 90202709, 448514855, 451013545, 1704356449, 8521782245, 32382772531, 161913862655]

約数ペア:

[(1, 161913862655), (5, 32382772531), (19, 8521782245), (95, 1704356449), (359, 451013545), (361, 448514855), (1795, 90202709), (1805, 89702971), (6821, 23737555), (6859, 23606045), (13151, 12311905), (34105, 4747511), (34295, 4721209), (65755, 2462381), (129599, 1249345), (249869, 647995)]