861085664

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{625789}}^1$

素因数の和:625842

約数の個数: 24

約数和(自身を含む): 1734689880

約数和(自身を除く): 873604216

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 625789, 1251578, 2503156, 5006312, 10012624, 20025248, 26908927, 53817854, 107635708, 215271416, 430542832, 861085664]

約数ペア:

[(1, 861085664), (2, 430542832), (4, 215271416), (8, 107635708), (16, 53817854), (32, 26908927), (43, 20025248), (86, 10012624), (172, 5006312), (344, 2503156), (688, 1251578), (1376, 625789)]