2161397

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 2685312

約数和(自身を除く): 523915

約数列:

[1, 7, 17, 41, 119, 287, 443, 697, 3101, 4879, 7531, 18163, 52717, 127141, 308771, 2161397]

約数ペア:

[(1, 2161397), (7, 308771), (17, 127141), (41, 52717), (119, 18163), (287, 7531), (443, 4879), (697, 3101)]