2099664721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{12457}}^1$

素因数の和:12685

約数の個数: 24

約数和(自身を含む): 2651062400

約数和(自身を除く): 551397679

約数列:

[1, 7, 11, 77, 121, 199, 847, 1393, 2189, 12457, 15323, 24079, 87199, 137027, 168553, 959189, 1507297, 2478943, 10551079, 17352601, 27268373, 190878611, 299952103, 2099664721]

約数ペア:

[(1, 2099664721), (7, 299952103), (11, 190878611), (77, 27268373), (121, 17352601), (199, 10551079), (847, 2478943), (1393, 1507297), (2189, 959189), (12457, 168553), (15323, 137027), (24079, 87199)]