16640767

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 20109600

約数和(自身を除く): 3468833

約数列:

[1, 11, 13, 71, 121, 143, 149, 781, 923, 1573, 1639, 1937, 8591, 10153, 10579, 18029, 21307, 111683, 116369, 137527, 234377, 1280059, 1512797, 16640767]

約数ペア:

[(1, 16640767), (11, 1512797), (13, 1280059), (71, 234377), (121, 137527), (143, 116369), (149, 111683), (781, 21307), (923, 18029), (1573, 10579), (1639, 10153), (1937, 8591)]