25621456

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2339

約数の個数: 40

約数和(自身を含む): 57309824

約数和(自身を除く): 31688368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2221, 2884, 4442, 5768, 8884, 11536, 15547, 17768, 31094, 35536, 62188, 124376, 228763, 248752, 457526, 915052, 1601341, 1830104, 3202682, 3660208, 6405364, 12810728, 25621456]

約数ペア:

[(1, 25621456), (2, 12810728), (4, 6405364), (7, 3660208), (8, 3202682), (14, 1830104), (16, 1601341), (28, 915052), (56, 457526), (103, 248752), (112, 228763), (206, 124376), (412, 62188), (721, 35536), (824, 31094), (1442, 17768), (1648, 15547), (2221, 11536), (2884, 8884), (4442, 5768)]