28253324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{642121}}^1$

素因数の和:642136

約数の個数: 12

約数和(自身を含む): 53938248

約数和(自身を除く): 25684924

約数列:

[1, 2, 4, 11, 22, 44, 642121, 1284242, 2568484, 7063331, 14126662, 28253324]

約数ペア:

[(1, 28253324), (2, 14126662), (4, 7063331), (11, 2568484), (22, 1284242), (44, 642121)]