2721389

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 3240000

約数和(自身を除く): 518611

約数列:

[1, 11, 19, 29, 209, 319, 449, 551, 4939, 6061, 8531, 13021, 93841, 143231, 247399, 2721389]

約数ペア:

[(1, 2721389), (11, 247399), (19, 143231), (29, 93841), (209, 13021), (319, 8531), (449, 6061), (551, 4939)]