28720902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{683831}}^1$

素因数の和:683843

約数の個数: 16

約数和(自身を含む): 65647872

約数和(自身を除く): 36926970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 683831, 1367662, 2051493, 4102986, 4786817, 9573634, 14360451, 28720902]

約数ペア:

[(1, 28720902), (2, 14360451), (3, 9573634), (6, 4786817), (7, 4102986), (14, 2051493), (21, 1367662), (42, 683831)]