57221455

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 69696000

約数和(自身を除く): 12474545

約数列:

[1, 5, 131, 199, 439, 655, 995, 2195, 26069, 57509, 87361, 130345, 287545, 436805, 11444291, 57221455]

約数ペア:

[(1, 57221455), (5, 11444291), (131, 436805), (199, 287545), (439, 130345), (655, 87361), (995, 57509), (2195, 26069)]