28857796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{655859}}^1$

素因数の和:655874

約数の個数: 12

約数和(自身を含む): 55092240

約数和(自身を除く): 26234444

約数列:

[1, 2, 4, 11, 22, 44, 655859, 1311718, 2623436, 7214449, 14428898, 28857796]

約数ペア:

[(1, 28857796), (2, 14428898), (4, 7214449), (11, 2623436), (22, 1311718), (44, 655859)]