2178771859

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{7901}}^1$

素因数の和:8019

約数の個数: 24

約数和(自身を含む): 2497095216

約数和(自身を除く): 318323357

約数列:

[1, 11, 43, 53, 121, 473, 583, 2279, 5203, 6413, 7901, 25069, 86911, 275759, 339743, 418753, 956021, 3737173, 4606283, 18006379, 41108903, 50669113, 198070169, 2178771859]

約数ペア:

[(1, 2178771859), (11, 198070169), (43, 50669113), (53, 41108903), (121, 18006379), (473, 4606283), (583, 3737173), (2279, 956021), (5203, 418753), (6413, 339743), (7901, 275759), (25069, 86911)]