971017810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1981669}}^1$

素因数の和:1981690

約数の個数: 24

約数和(自身を含む): 2033193420

約数和(自身を除く): 1062175610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1981669, 3963338, 9908345, 13871683, 19816690, 27743366, 69358415, 97101781, 138716830, 194203562, 485508905, 971017810]

約数ペア:

[(1, 971017810), (2, 485508905), (5, 194203562), (7, 138716830), (10, 97101781), (14, 69358415), (35, 27743366), (49, 19816690), (70, 13871683), (98, 9908345), (245, 3963338), (490, 1981669)]