12428195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 16293312

約数和(自身を除く): 3865117

約数列:

[1, 5, 13, 65, 71, 355, 923, 2693, 4615, 13465, 35009, 175045, 191203, 956015, 2485639, 12428195]

約数ペア:

[(1, 12428195), (5, 2485639), (13, 956015), (65, 191203), (71, 175045), (355, 35009), (923, 13465), (2693, 4615)]