28268366

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28439}}^1$

素因数の和:28519

約数の個数: 16

約数和(自身を含む): 49144320

約数和(自身を除く): 20875954

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28439, 56878, 199073, 398146, 2019169, 4038338, 14134183, 28268366]

約数ペア:

[(1, 28268366), (2, 14134183), (7, 4038338), (14, 2019169), (71, 398146), (142, 199073), (497, 56878), (994, 28439)]