28657332

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{72367}}^1$

素因数の和:72388

約数の個数: 36

約数和(自身を含む): 79025856

約数和(自身を除く): 50368524

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 72367, 144734, 217101, 289468, 434202, 651303, 796037, 868404, 1302606, 1592074, 2388111, 2605212, 3184148, 4776222, 7164333, 9552444, 14328666, 28657332]

約数ペア:

[(1, 28657332), (2, 14328666), (3, 9552444), (4, 7164333), (6, 4776222), (9, 3184148), (11, 2605212), (12, 2388111), (18, 1592074), (22, 1302606), (33, 868404), (36, 796037), (44, 651303), (66, 434202), (99, 289468), (132, 217101), (198, 144734), (396, 72367)]