213660944

素因数分解:

$2^4\times 7^1\times {\mathrm{1907687}}^1$

素因数の和:1907702

約数の個数: 20

約数和(自身を含む): 473106624

約数和(自身を除く): 259445680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1907687, 3815374, 7630748, 13353809, 15261496, 26707618, 30522992, 53415236, 106830472, 213660944]

約数ペア:

[(1, 213660944), (2, 106830472), (4, 53415236), (7, 30522992), (8, 26707618), (14, 15261496), (16, 13353809), (28, 7630748), (56, 3815374), (112, 1907687)]