12872905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 16257024

約数和(自身を除く): 3384119

約数列:

[1, 5, 31, 53, 155, 265, 1567, 1643, 7835, 8215, 48577, 83051, 242885, 415255, 2574581, 12872905]

約数ペア:

[(1, 12872905), (5, 2574581), (31, 415255), (53, 242885), (155, 83051), (265, 48577), (1567, 8215), (1643, 7835)]