66639944

素因数分解:

$2^3\times 7^1\times {\mathrm{1189999}}^1$

素因数の和:1190012

約数の個数: 16

約数和(自身を含む): 142800000

約数和(自身を除く): 76160056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1189999, 2379998, 4759996, 8329993, 9519992, 16659986, 33319972, 66639944]

約数ペア:

[(1, 66639944), (2, 33319972), (4, 16659986), (7, 9519992), (8, 8329993), (14, 4759996), (28, 2379998), (56, 1189999)]