2881823

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 3553344

約数和(自身を除く): 671521

約数列:

[1, 7, 17, 61, 119, 397, 427, 1037, 2779, 6749, 7259, 24217, 47243, 169519, 411689, 2881823]

約数ペア:

[(1, 2881823), (7, 411689), (17, 169519), (61, 47243), (119, 24217), (397, 7259), (427, 6749), (1037, 2779)]