2154878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2443

約数の個数: 16

約数和(自身を含む): 3613680

約数和(自身を除く): 1458802

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 2389, 4778, 26279, 52558, 97949, 195898, 1077439, 2154878]

約数ペア:

[(1, 2154878), (2, 1077439), (11, 195898), (22, 97949), (41, 52558), (82, 26279), (451, 4778), (902, 2389)]