31540678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71359}}^1$

素因数の和:71391

約数の個数: 16

約数和(自身を含む): 53948160

約数和(自身を除く): 22407482

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 71359, 142718, 927667, 1213103, 1855334, 2426206, 15770339, 31540678]

約数ペア:

[(1, 31540678), (2, 15770339), (13, 2426206), (17, 1855334), (26, 1213103), (34, 927667), (221, 142718), (442, 71359)]