28541506

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19793}}^1$

素因数の和:19905

約数の個数: 16

約数和(自身を含む): 49405824

約数和(自身を除く): 20864318

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19793, 39586, 138551, 277102, 2038679, 4077358, 14270753, 28541506]

約数ペア:

[(1, 28541506), (2, 14270753), (7, 4077358), (14, 2038679), (103, 277102), (206, 138551), (721, 39586), (1442, 19793)]