28263796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{642359}}^1$

素因数の和:642374

約数の個数: 12

約数和(自身を含む): 53958240

約数和(自身を除く): 25694444

約数列:

[1, 2, 4, 11, 22, 44, 642359, 1284718, 2569436, 7065949, 14131898, 28263796]

約数ペア:

[(1, 28263796), (2, 14131898), (4, 7065949), (11, 2569436), (22, 1284718), (44, 642359)]