2080704199

素因数分解:

$7^4\times {\mathrm{887}}^1\times {\mathrm{977}}^1$

素因数の和:1892

約数の個数: 20

約数和(自身を含む): 2432567664

約数和(自身を除く): 351863465

約数列:

[1, 7, 49, 343, 887, 977, 2401, 6209, 6839, 43463, 47873, 304241, 335111, 866599, 2129687, 2345777, 6066193, 42463351, 297243457, 2080704199]

約数ペア:

[(1, 2080704199), (7, 297243457), (49, 42463351), (343, 6066193), (887, 2345777), (977, 2129687), (2401, 866599), (6209, 335111), (6839, 304241), (43463, 47873)]