289916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{599}}^1$

素因数の和:625

約数の個数: 18

約数和(自身を含む): 558600

約数和(自身を除く): 268684

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 599, 1198, 2396, 6589, 13178, 26356, 72479, 144958, 289916]

約数ペア:

[(1, 289916), (2, 144958), (4, 72479), (11, 26356), (22, 13178), (44, 6589), (121, 2396), (242, 1198), (484, 599)]