28778811306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{685209793}}^1$

素因数の和:685209805

約数の個数: 16

約数和(自身を含む): 65780140224

約数和(自身を除く): 37001328918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 685209793, 1370419586, 2055629379, 4111258758, 4796468551, 9592937102, 14389405653, 28778811306]

約数ペア:

[(1, 28778811306), (2, 14389405653), (3, 9592937102), (6, 4796468551), (7, 4111258758), (14, 2055629379), (21, 1370419586), (42, 685209793)]