12811555

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 15798240

約数和(自身を除く): 2986685

約数列:

[1, 5, 59, 137, 295, 317, 685, 1585, 8083, 18703, 40415, 43429, 93515, 217145, 2562311, 12811555]

約数ペア:

[(1, 12811555), (5, 2562311), (59, 217145), (137, 93515), (295, 43429), (317, 40415), (685, 18703), (1585, 8083)]