80334772

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20641}}^1$

素因数の和:20791

約数の個数: 24

約数和(自身を含む): 161833280

約数和(自身を除く): 81498508

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20641, 41282, 82564, 144487, 288974, 577948, 2869099, 5738198, 11476396, 20083693, 40167386, 80334772]

約数ペア:

[(1, 80334772), (2, 40167386), (4, 20083693), (7, 11476396), (14, 5738198), (28, 2869099), (139, 577948), (278, 288974), (556, 144487), (973, 82564), (1946, 41282), (3892, 20641)]