1980426238

素因数分解:

$2^1\times 7^2\times {\mathrm{20208431}}^1$

素因数の和:20208447

約数の個数: 12

約数和(自身を含む): 3455641872

約数和(自身を除く): 1475215634

約数列:

[1, 2, 7, 14, 49, 98, 20208431, 40416862, 141459017, 282918034, 990213119, 1980426238]

約数ペア:

[(1, 1980426238), (2, 990213119), (7, 282918034), (14, 141459017), (49, 40416862), (98, 20208431)]