2989609

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 3686400

約数和(自身を除く): 696791

約数列:

[1, 7, 23, 31, 161, 217, 599, 713, 4193, 4991, 13777, 18569, 96439, 129983, 427087, 2989609]

約数ペア:

[(1, 2989609), (7, 427087), (23, 129983), (31, 96439), (161, 18569), (217, 13777), (599, 4991), (713, 4193)]