2009671685

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{808721}}^1$

素因数の和:808804

約数の個数: 16

約数和(自身を含む): 2794943232

約数和(自身を除く): 785271547

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 808721, 4043605, 5661047, 28305235, 57419191, 287095955, 401934337, 2009671685]

約数ペア:

[(1, 2009671685), (5, 401934337), (7, 287095955), (35, 57419191), (71, 28305235), (355, 5661047), (497, 4043605), (2485, 808721)]