13256855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6781}}^1$

素因数の和:6826

約数の個数: 16

約数和(自身を含む): 17578944

約数和(自身を除く): 4322089

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 6781, 33905, 115277, 155963, 576385, 779815, 2651371, 13256855]

約数ペア:

[(1, 13256855), (5, 2651371), (17, 779815), (23, 576385), (85, 155963), (115, 115277), (391, 33905), (1955, 6781)]