28170895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 34927200

約数和(自身を除く): 6756305

約数列:

[1, 5, 41, 131, 205, 655, 1049, 5245, 5371, 26855, 43009, 137419, 215045, 687095, 5634179, 28170895]

約数ペア:

[(1, 28170895), (5, 5634179), (41, 687095), (131, 215045), (205, 137419), (655, 43009), (1049, 26855), (5245, 5371)]