208533808

素因数分解:

$2^4\times 7^2\times {\mathrm{265987}}^1$

素因数の和:266009

約数の個数: 30

約数和(自身を含む): 470000796

約数和(自身を除く): 261466988

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 265987, 531974, 1063948, 1861909, 2127896, 3723818, 4255792, 7447636, 13033363, 14895272, 26066726, 29790544, 52133452, 104266904, 208533808]

約数ペア:

[(1, 208533808), (2, 104266904), (4, 52133452), (7, 29790544), (8, 26066726), (14, 14895272), (16, 13033363), (28, 7447636), (49, 4255792), (56, 3723818), (98, 2127896), (112, 1861909), (196, 1063948), (392, 531974), (784, 265987)]