2016171905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{72019}}^1$

素因数の和:72544

約数の個数: 16

約数和(自身を含む): 2644574400

約数和(自身を除く): 628402495

約数列:

[1, 5, 11, 55, 509, 2545, 5599, 27995, 72019, 360095, 792209, 3961045, 36657671, 183288355, 403234381, 2016171905]

約数ペア:

[(1, 2016171905), (5, 403234381), (11, 183288355), (55, 36657671), (509, 3961045), (2545, 792209), (5599, 360095), (27995, 72019)]