1880081

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 2417256

約数和(自身を除く): 537175

約数列:

[1, 7, 17, 37, 49, 61, 119, 259, 427, 629, 833, 1037, 1813, 2257, 2989, 4403, 7259, 15799, 30821, 38369, 50813, 110593, 268583, 1880081]

約数ペア:

[(1, 1880081), (7, 268583), (17, 110593), (37, 50813), (49, 38369), (61, 30821), (119, 15799), (259, 7259), (427, 4403), (629, 2989), (833, 2257), (1037, 1813)]