12810728

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2337

約数の個数: 32

約数和(自身を含む): 27730560

約数和(自身を除く): 14919832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2221, 2884, 4442, 5768, 8884, 15547, 17768, 31094, 62188, 124376, 228763, 457526, 915052, 1601341, 1830104, 3202682, 6405364, 12810728]

約数ペア:

[(1, 12810728), (2, 6405364), (4, 3202682), (7, 1830104), (8, 1601341), (14, 915052), (28, 457526), (56, 228763), (103, 124376), (206, 62188), (412, 31094), (721, 17768), (824, 15547), (1442, 8884), (2221, 5768), (2884, 4442)]