55220669

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 69888000

約数和(自身を除く): 14667331

約数列:

[1, 7, 19, 29, 103, 133, 139, 203, 551, 721, 973, 1957, 2641, 2987, 3857, 4031, 13699, 14317, 18487, 20909, 28217, 56753, 76589, 100219, 272023, 397271, 415193, 536123, 1904161, 2906351, 7888667, 55220669]

約数ペア:

[(1, 55220669), (7, 7888667), (19, 2906351), (29, 1904161), (103, 536123), (133, 415193), (139, 397271), (203, 272023), (551, 100219), (721, 76589), (973, 56753), (1957, 28217), (2641, 20909), (2987, 18487), (3857, 14317), (4031, 13699)]