13328405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 16927680

約数和(自身を除く): 3599275

約数列:

[1, 5, 19, 95, 307, 457, 1535, 2285, 5833, 8683, 29165, 43415, 140299, 701495, 2665681, 13328405]

約数ペア:

[(1, 13328405), (5, 2665681), (19, 701495), (95, 140299), (307, 43415), (457, 29165), (1535, 8683), (2285, 5833)]