12668383

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 4749857

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 431, 1547, 1729, 2261, 3017, 4199, 5603, 7327, 8189, 29393, 39221, 51289, 57323, 95251, 106457, 139213, 666757, 745199, 974491, 1809769, 12668383]

約数ペア:

[(1, 12668383), (7, 1809769), (13, 974491), (17, 745199), (19, 666757), (91, 139213), (119, 106457), (133, 95251), (221, 57323), (247, 51289), (323, 39221), (431, 29393), (1547, 8189), (1729, 7327), (2261, 5603), (3017, 4199)]