25031216

素因数分解:

$2^4\times 7^1\times {\mathrm{223493}}^1$

素因数の和:223508

約数の個数: 20

約数和(自身を含む): 55426512

約数和(自身を除く): 30395296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223493, 446986, 893972, 1564451, 1787944, 3128902, 3575888, 6257804, 12515608, 25031216]

約数ペア:

[(1, 25031216), (2, 12515608), (4, 6257804), (7, 3575888), (8, 3128902), (14, 1787944), (16, 1564451), (28, 893972), (56, 446986), (112, 223493)]