28657926

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{144737}}^1$

素因数の和:144756

約数の個数: 24

約数和(自身を含む): 67737384

約数和(自身を除く): 39079458

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 144737, 289474, 434211, 868422, 1302633, 1592107, 2605266, 3184214, 4776321, 9552642, 14328963, 28657926]

約数ペア:

[(1, 28657926), (2, 14328963), (3, 9552642), (6, 4776321), (9, 3184214), (11, 2605266), (18, 1592107), (22, 1302633), (33, 868422), (66, 434211), (99, 289474), (198, 144737)]