12689005

素因数分解:

$5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2003}}^1$

素因数の和:2196

約数の個数: 16

約数和(自身を含む): 17506944

約数和(自身を除く): 4817939

約数列:

[1, 5, 7, 35, 181, 905, 1267, 2003, 6335, 10015, 14021, 70105, 362543, 1812715, 2537801, 12689005]

約数ペア:

[(1, 12689005), (5, 2537801), (7, 1812715), (35, 362543), (181, 70105), (905, 14021), (1267, 10015), (2003, 6335)]