2389639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 2965248

約数和(自身を除く): 575609

約数列:

[1, 7, 17, 43, 119, 301, 467, 731, 3269, 5117, 7939, 20081, 55573, 140567, 341377, 2389639]

約数ペア:

[(1, 2389639), (7, 341377), (17, 140567), (43, 55573), (119, 20081), (301, 7939), (467, 5117), (731, 3269)]