28256778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{142711}}^1$

素因数の和:142730

約数の個数: 24

約数和(自身を含む): 66789216

約数和(自身を除く): 38532438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 142711, 285422, 428133, 856266, 1284399, 1569821, 2568798, 3139642, 4709463, 9418926, 14128389, 28256778]

約数ペア:

[(1, 28256778), (2, 14128389), (3, 9418926), (6, 4709463), (9, 3139642), (11, 2568798), (18, 1569821), (22, 1284399), (33, 856266), (66, 428133), (99, 285422), (198, 142711)]