2191048705

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1\times {\mathrm{2161}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 2646288000

約数和(自身を除く): 455239295

約数列:

[1, 5, 199, 995, 1019, 2161, 5095, 10805, 202781, 430039, 1013905, 2150195, 2202059, 11010295, 438209741, 2191048705]

約数ペア:

[(1, 2191048705), (5, 438209741), (199, 11010295), (995, 2202059), (1019, 2150195), (2161, 1013905), (5095, 430039), (10805, 202781)]