13189477

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 16707840

約数和(自身を除く): 3518363

約数列:

[1, 7, 19, 31, 49, 133, 217, 457, 589, 931, 1519, 3199, 4123, 8683, 14167, 22393, 28861, 60781, 99169, 269173, 425467, 694183, 1884211, 13189477]

約数ペア:

[(1, 13189477), (7, 1884211), (19, 694183), (31, 425467), (49, 269173), (133, 99169), (217, 60781), (457, 28861), (589, 22393), (931, 14167), (1519, 8683), (3199, 4123)]