263511088

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{16519}}^1$

素因数の和:17524

約数の個数: 20

約数和(自身を含む): 511095760

約数和(自身を除く): 247584672

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 15952, 16519, 33038, 66076, 132152, 264304, 16469443, 32938886, 65877772, 131755544, 263511088]

約数ペア:

[(1, 263511088), (2, 131755544), (4, 65877772), (8, 32938886), (16, 16469443), (997, 264304), (1994, 132152), (3988, 66076), (7976, 33038), (15952, 16519)]