28137978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{142111}}^1$

素因数の和:142130

約数の個数: 24

約数和(自身を含む): 66508416

約数和(自身を除く): 38370438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 142111, 284222, 426333, 852666, 1278999, 1563221, 2557998, 3126442, 4689663, 9379326, 14068989, 28137978]

約数ペア:

[(1, 28137978), (2, 14068989), (3, 9379326), (6, 4689663), (9, 3126442), (11, 2557998), (18, 1563221), (22, 1278999), (33, 852666), (66, 426333), (99, 284222), (198, 142111)]