28266436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{642419}}^1$

素因数の和:642434

約数の個数: 12

約数和(自身を含む): 53963280

約数和(自身を除く): 25696844

約数列:

[1, 2, 4, 11, 22, 44, 642419, 1284838, 2569676, 7066609, 14133218, 28266436]

約数ペア:

[(1, 28266436), (2, 14133218), (4, 7066609), (11, 2569676), (22, 1284838), (44, 642419)]