28519664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41453}}^1$

素因数の和:41504

約数の個数: 20

約数和(自身を含む): 56543256

約数和(自身を除く): 28023592

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41453, 82906, 165812, 331624, 663248, 1782479, 3564958, 7129916, 14259832, 28519664]

約数ペア:

[(1, 28519664), (2, 14259832), (4, 7129916), (8, 3564958), (16, 1782479), (43, 663248), (86, 331624), (172, 165812), (344, 82906), (688, 41453)]