206877905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{7937}}^1$

素因数の和:8356

約数の個数: 16

約数和(自身を含む): 268050384

約数和(自身を除く): 61172479

約数列:

[1, 5, 13, 65, 401, 2005, 5213, 7937, 26065, 39685, 103181, 515905, 3182737, 15913685, 41375581, 206877905]

約数ペア:

[(1, 206877905), (5, 41375581), (13, 15913685), (65, 3182737), (401, 515905), (2005, 103181), (5213, 39685), (7937, 26065)]