67680151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20441}}^1$

素因数の和:20502

約数の個数: 16

約数和(自身を含む): 86347008

約数和(自身を除く): 18666857

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20441, 143087, 224851, 878963, 1573957, 6152741, 9668593, 67680151]

約数ペア:

[(1, 67680151), (7, 9668593), (11, 6152741), (43, 1573957), (77, 878963), (301, 224851), (473, 143087), (3311, 20441)]