77413985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 102782400

約数和(自身を除く): 25368415

約数列:

[1, 5, 11, 55, 121, 199, 605, 643, 995, 2189, 3215, 7073, 10945, 24079, 35365, 77803, 120395, 127957, 389015, 639785, 1407527, 7037635, 15482797, 77413985]

約数ペア:

[(1, 77413985), (5, 15482797), (11, 7037635), (55, 1407527), (121, 639785), (199, 389015), (605, 127957), (643, 120395), (995, 77803), (2189, 35365), (3215, 24079), (7073, 10945)]