1581866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5557

約数の個数: 16

約数和(自身を含む): 2788128

約数和(自身を除く): 1206262

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 5531, 11062, 60841, 71903, 121682, 143806, 790933, 1581866]

約数ペア:

[(1, 1581866), (2, 790933), (11, 143806), (13, 121682), (22, 71903), (26, 60841), (143, 11062), (286, 5531)]