2564456

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{2447}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 4847040

約数和(自身を除く): 2282584

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 2447, 4894, 9788, 19576, 320557, 641114, 1282228, 2564456]

約数ペア:

[(1, 2564456), (2, 1282228), (4, 641114), (8, 320557), (131, 19576), (262, 9788), (524, 4894), (1048, 2447)]