1991004

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 4704000

約数和(自身を除く): 2712996

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996, 1999, 3998, 5997, 7996, 11994, 23988, 165917, 331834, 497751, 663668, 995502, 1991004]

約数ペア:

[(1, 1991004), (2, 995502), (3, 663668), (4, 497751), (6, 331834), (12, 165917), (83, 23988), (166, 11994), (249, 7996), (332, 5997), (498, 3998), (996, 1999)]