87972874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{20719}}^1$

素因数の和:20925

約数の個数: 16

約数和(自身を含む): 144708480

約数和(自身を除く): 56735606

約数列:

[1, 2, 11, 22, 193, 386, 2123, 4246, 20719, 41438, 227909, 455818, 3998767, 7997534, 43986437, 87972874]

約数ペア:

[(1, 87972874), (2, 43986437), (11, 7997534), (22, 3998767), (193, 455818), (386, 227909), (2123, 41438), (4246, 20719)]