12271285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2659}}^1$

素因数の和:2748

約数の個数: 16

約数和(自身を含む): 16087680

約数和(自身を除く): 3816395

約数列:

[1, 5, 13, 65, 71, 355, 923, 2659, 4615, 13295, 34567, 172835, 188789, 943945, 2454257, 12271285]

約数ペア:

[(1, 12271285), (5, 2454257), (13, 943945), (65, 188789), (71, 172835), (355, 34567), (923, 13295), (2659, 4615)]