2891120639

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{336529}}^1$

素因数の和:336622

約数の個数: 12

約数和(自身を含む): 3222611280

約数和(自身を除く): 331490641

約数列:

[1, 11, 71, 121, 781, 8591, 336529, 3701819, 23893559, 40720009, 262829149, 2891120639]

約数ペア:

[(1, 2891120639), (11, 262829149), (71, 40720009), (121, 23893559), (781, 3701819), (8591, 336529)]