4257605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 5616000

約数和(自身を除く): 1358395

約数列:

[1, 5, 11, 55, 199, 389, 995, 1945, 2189, 4279, 10945, 21395, 77411, 387055, 851521, 4257605]

約数ペア:

[(1, 4257605), (5, 851521), (11, 387055), (55, 77411), (199, 21395), (389, 10945), (995, 4279), (1945, 2189)]