28124579

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 36484560

約数和(自身を除く): 8359981

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1777, 2261, 12439, 15827, 30209, 33763, 87073, 211463, 236341, 573971, 1480241, 1654387, 4017797, 28124579]

約数ペア:

[(1, 28124579), (7, 4017797), (17, 1654387), (19, 1480241), (49, 573971), (119, 236341), (133, 211463), (323, 87073), (833, 33763), (931, 30209), (1777, 15827), (2261, 12439)]