209717767

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{4451}}^1$

素因数の和:4638

約数の個数: 16

約数和(自身を含む): 246177792

約数和(自身を除く): 36460025

約数列:

[1, 7, 53, 127, 371, 889, 4451, 6731, 31157, 47117, 235903, 565277, 1651321, 3956939, 29959681, 209717767]

約数ペア:

[(1, 209717767), (7, 29959681), (53, 3956939), (127, 1651321), (371, 565277), (889, 235903), (4451, 47117), (6731, 31157)]