2215865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 2851200

約数和(自身を除く): 635335

約数列:

[1, 5, 17, 85, 131, 199, 655, 995, 2227, 3383, 11135, 16915, 26069, 130345, 443173, 2215865]

約数ペア:

[(1, 2215865), (5, 443173), (17, 130345), (85, 26069), (131, 16915), (199, 11135), (655, 3383), (995, 2227)]