221188

素因数分解:

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

素因数の和:483

約数の個数: 18

約数和(自身を含む): 426398

約数和(自身を除く): 205210

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 457, 484, 914, 1828, 5027, 10054, 20108, 55297, 110594, 221188]

約数ペア:

[(1, 221188), (2, 110594), (4, 55297), (11, 20108), (22, 10054), (44, 5027), (121, 1828), (242, 914), (457, 484)]