16878043

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 21575904

約数和(自身を除く): 4697861

約数列:

[1, 7, 13, 31, 91, 193, 217, 403, 961, 1351, 2509, 2821, 5983, 6727, 12493, 17563, 41881, 77779, 87451, 185473, 544453, 1298311, 2411149, 16878043]

約数ペア:

[(1, 16878043), (7, 2411149), (13, 1298311), (31, 544453), (91, 185473), (193, 87451), (217, 77779), (403, 41881), (961, 17563), (1351, 12493), (2509, 6727), (2821, 5983)]