11978765

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 14950656

約数和(自身を除く): 2971891

約数列:

[1, 5, 41, 71, 205, 355, 823, 2911, 4115, 14555, 33743, 58433, 168715, 292165, 2395753, 11978765]

約数ペア:

[(1, 11978765), (5, 2395753), (41, 292165), (71, 168715), (205, 58433), (355, 33743), (823, 14555), (2911, 4115)]