90511475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{116789}}^1$

素因数の和:116830

約数の個数: 12

約数和(自身を含む): 115855680

約数和(自身を除く): 25344205

約数列:

[1, 5, 25, 31, 155, 775, 116789, 583945, 2919725, 3620459, 18102295, 90511475]

約数ペア:

[(1, 90511475), (5, 18102295), (25, 3620459), (31, 2919725), (155, 583945), (775, 116789)]