2685221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 3429888

約数和(自身を除く): 744667

約数列:

[1, 7, 11, 43, 77, 301, 473, 811, 3311, 5677, 8921, 34873, 62447, 244111, 383603, 2685221]

約数ペア:

[(1, 2685221), (7, 383603), (11, 244111), (43, 62447), (77, 34873), (301, 8921), (473, 5677), (811, 3311)]