638557777

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{405949}}^1$

素因数の和:405984

約数の個数: 12

約数和(自身を含む): 755878900

約数和(自身を除く): 117321123

約数列:

[1, 11, 13, 121, 143, 1573, 405949, 4465439, 5277337, 49119829, 58050707, 638557777]

約数ペア:

[(1, 638557777), (11, 58050707), (13, 49119829), (121, 5277337), (143, 4465439), (1573, 405949)]