26986765

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 35509320

約数和(自身を除く): 8522555

約数列:

[1, 5, 13, 65, 109, 169, 293, 545, 845, 1417, 1465, 3809, 7085, 18421, 19045, 31937, 49517, 92105, 159685, 247585, 415181, 2075905, 5397353, 26986765]

約数ペア:

[(1, 26986765), (5, 5397353), (13, 2075905), (65, 415181), (109, 247585), (169, 159685), (293, 92105), (545, 49517), (845, 31937), (1417, 19045), (1465, 18421), (3809, 7085)]