28563868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2339}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 51891840

約数和(自身を除く): 23327972

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 2339, 3053, 4678, 6106, 9356, 12212, 100577, 166069, 201154, 332138, 402308, 664276, 7140967, 14281934, 28563868]

約数ペア:

[(1, 28563868), (2, 14281934), (4, 7140967), (43, 664276), (71, 402308), (86, 332138), (142, 201154), (172, 166069), (284, 100577), (2339, 12212), (3053, 9356), (4678, 6106)]