28365524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{644671}}^1$

素因数の和:644686

約数の個数: 12

約数和(自身を含む): 54152448

約数和(自身を除く): 25786924

約数列:

[1, 2, 4, 11, 22, 44, 644671, 1289342, 2578684, 7091381, 14182762, 28365524]

約数ペア:

[(1, 28365524), (2, 14182762), (4, 7091381), (11, 2578684), (22, 1289342), (44, 644671)]