208137908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{457}}^1\times {\mathrm{941}}^1$

素因数の和:1424

約数の個数: 36

約数和(自身を含む): 401666916

約数和(自身を除く): 193529008

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 457, 484, 914, 941, 1828, 1882, 3764, 5027, 10054, 10351, 20108, 20702, 41404, 55297, 110594, 113861, 221188, 227722, 430037, 455444, 860074, 1720148, 4730407, 9460814, 18921628, 52034477, 104068954, 208137908]

約数ペア:

[(1, 208137908), (2, 104068954), (4, 52034477), (11, 18921628), (22, 9460814), (44, 4730407), (121, 1720148), (242, 860074), (457, 455444), (484, 430037), (914, 227722), (941, 221188), (1828, 113861), (1882, 110594), (3764, 55297), (5027, 41404), (10054, 20702), (10351, 20108)]