23890009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 28776384

約数和(自身を除く): 4886375

約数列:

[1, 11, 13, 71, 143, 169, 181, 781, 923, 1859, 1991, 2353, 10153, 11999, 12851, 25883, 30589, 131989, 141361, 167063, 336479, 1837693, 2171819, 23890009]

約数ペア:

[(1, 23890009), (11, 2171819), (13, 1837693), (71, 336479), (143, 167063), (169, 141361), (181, 131989), (781, 30589), (923, 25883), (1859, 12851), (1991, 11999), (2353, 10153)]