28540490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{259459}}^1$

素因数の和:259477

約数の個数: 16

約数和(自身を含む): 56043360

約数和(自身を除く): 27502870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 259459, 518918, 1297295, 2594590, 2854049, 5708098, 14270245, 28540490]

約数ペア:

[(1, 28540490), (2, 14270245), (5, 5708098), (10, 2854049), (11, 2594590), (22, 1297295), (55, 518918), (110, 259459)]