85140881

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 105336000

約数和(自身を除く): 20195119

約数列:

[1, 7, 19, 49, 109, 133, 763, 839, 931, 2071, 5341, 5873, 14497, 15941, 41111, 91451, 101479, 111587, 640157, 781109, 1737569, 4481099, 12162983, 85140881]

約数ペア:

[(1, 85140881), (7, 12162983), (19, 4481099), (49, 1737569), (109, 781109), (133, 640157), (763, 111587), (839, 101479), (931, 91451), (2071, 41111), (5341, 15941), (5873, 14497)]