81479958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1939999}}^1$

素因数の和:1940011

約数の個数: 16

約数和(自身を含む): 186240000

約数和(自身を除く): 104760042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1939999, 3879998, 5819997, 11639994, 13579993, 27159986, 40739979, 81479958]

約数ペア:

[(1, 81479958), (2, 40739979), (3, 27159986), (6, 13579993), (7, 11639994), (14, 5819997), (21, 3879998), (42, 1939999)]