12211428

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{7321}}^1$

素因数の和:7467

約数の個数: 24

約数和(自身を含む): 28702240

約数和(自身を除く): 16490812

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 7321, 14642, 21963, 29284, 43926, 87852, 1017619, 2035238, 3052857, 4070476, 6105714, 12211428]

約数ペア:

[(1, 12211428), (2, 6105714), (3, 4070476), (4, 3052857), (6, 2035238), (12, 1017619), (139, 87852), (278, 43926), (417, 29284), (556, 21963), (834, 14642), (1668, 7321)]