2009005684

素因数分解:

$2^2\times 7^2\times {\mathrm{10250029}}^1$

素因数の和:10250047

約数の個数: 18

約数和(自身を含む): 4089761970

約数和(自身を除く): 2080756286

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 10250029, 20500058, 41000116, 71750203, 143500406, 287000812, 502251421, 1004502842, 2009005684]

約数ペア:

[(1, 2009005684), (2, 1004502842), (4, 502251421), (7, 287000812), (14, 143500406), (28, 71750203), (49, 41000116), (98, 20500058), (196, 10250029)]