218225548

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{613}}^1\times {\mathrm{1459}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 389054960

約数和(自身を除く): 170829412

約数列:

[1, 2, 4, 61, 122, 244, 613, 1226, 1459, 2452, 2918, 5836, 37393, 74786, 88999, 149572, 177998, 355996, 894367, 1788734, 3577468, 54556387, 109112774, 218225548]

約数ペア:

[(1, 218225548), (2, 109112774), (4, 54556387), (61, 3577468), (122, 1788734), (244, 894367), (613, 355996), (1226, 177998), (1459, 149572), (2452, 88999), (2918, 74786), (5836, 37393)]