215540628

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{129221}}^1$

素因数の和:129367

約数の個数: 24

約数和(自身を含む): 506550240

約数和(自身を除く): 291009612

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 129221, 258442, 387663, 516884, 775326, 1550652, 17961719, 35923438, 53885157, 71846876, 107770314, 215540628]

約数ペア:

[(1, 215540628), (2, 107770314), (3, 71846876), (4, 53885157), (6, 35923438), (12, 17961719), (139, 1550652), (278, 775326), (417, 516884), (556, 387663), (834, 258442), (1668, 129221)]