81252212

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{278261}}^1$

素因数の和:278338

約数の個数: 12

約数和(自身を含む): 144139716

約数和(自身を除く): 62887504

約数列:

[1, 2, 4, 73, 146, 292, 278261, 556522, 1113044, 20313053, 40626106, 81252212]

約数ペア:

[(1, 81252212), (2, 40626106), (4, 20313053), (73, 1113044), (146, 556522), (292, 278261)]