28657724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3943}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 53007360

約数和(自身を除く): 24349636

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 3634, 3943, 7268, 7886, 15772, 90689, 181378, 311497, 362756, 622994, 1245988, 7164431, 14328862, 28657724]

約数ペア:

[(1, 28657724), (2, 14328862), (4, 7164431), (23, 1245988), (46, 622994), (79, 362756), (92, 311497), (158, 181378), (316, 90689), (1817, 15772), (3634, 7886), (3943, 7268)]