205120918

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{31723}}^1$

素因数の和:31839

約数の個数: 16

約数和(自身を含む): 318635856

約数和(自身を除く): 113514938

約数列:

[1, 2, 53, 61, 106, 122, 3233, 6466, 31723, 63446, 1681319, 1935103, 3362638, 3870206, 102560459, 205120918]

約数ペア:

[(1, 205120918), (2, 102560459), (53, 3870206), (61, 3362638), (106, 1935103), (122, 1681319), (3233, 63446), (6466, 31723)]