28491390718

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{4975793}}^1$

素因数の和:4976211

約数の個数: 16

約数和(自身を含む): 48961812960

約数和(自身を除く): 20470422242

約数列:

[1, 2, 7, 14, 409, 818, 2863, 5726, 4975793, 9951586, 34830551, 69661102, 2035099337, 4070198674, 14245695359, 28491390718]

約数ペア:

[(1, 28491390718), (2, 14245695359), (7, 4070198674), (14, 2035099337), (409, 69661102), (818, 34830551), (2863, 9951586), (5726, 4975793)]