123256189

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 147199680

約数和(自身を除く): 23943491

約数列:

[1, 7, 43, 89, 107, 301, 623, 749, 1849, 3827, 4601, 9523, 12943, 26789, 32207, 66661, 164561, 197843, 409489, 1151927, 1384901, 2866423, 17608027, 123256189]

約数ペア:

[(1, 123256189), (7, 17608027), (43, 2866423), (89, 1384901), (107, 1151927), (301, 409489), (623, 197843), (749, 164561), (1849, 66661), (3827, 32207), (4601, 26789), (9523, 12943)]