2145388

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 4323872

約数和(自身を除く): 2178484

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 397, 772, 794, 1351, 1588, 2702, 2779, 5404, 5558, 11116, 76621, 153242, 306484, 536347, 1072694, 2145388]

約数ペア:

[(1, 2145388), (2, 1072694), (4, 536347), (7, 306484), (14, 153242), (28, 76621), (193, 11116), (386, 5558), (397, 5404), (772, 2779), (794, 2702), (1351, 1588)]