1900210081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{66161}}^1$

素因数の和:66552

約数の個数: 16

約数和(自身を含む): 2375480448

約数和(自身を除く): 475270367

約数列:

[1, 7, 11, 77, 373, 2611, 4103, 28721, 66161, 463127, 727771, 5094397, 24678053, 172746371, 271458583, 1900210081]

約数ペア:

[(1, 1900210081), (7, 271458583), (11, 172746371), (77, 24678053), (373, 5094397), (2611, 727771), (4103, 463127), (28721, 66161)]