12438223

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^2$

素因数の和:155

約数の個数: 18

約数和(自身を含む): 15037992

約数和(自身を除く): 2599769

約数列:

[1, 7, 31, 43, 217, 301, 961, 1333, 1849, 6727, 9331, 12943, 41323, 57319, 289261, 401233, 1776889, 12438223]

約数ペア:

[(1, 12438223), (7, 1776889), (31, 401233), (43, 289261), (217, 57319), (301, 41323), (961, 12943), (1333, 9331), (1849, 6727)]