28175714

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64921}}^1$

素因数の和:64961

約数の個数: 16

約数和(自身を含む): 49860096

約数和(自身を除く): 21684382

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 64921, 129842, 454447, 908894, 2012551, 4025102, 14087857, 28175714]

約数ペア:

[(1, 28175714), (2, 14087857), (7, 4025102), (14, 2012551), (31, 908894), (62, 454447), (217, 129842), (434, 64921)]