12211745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26839}}^1$

素因数の和:26864

約数の個数: 16

約数和(自身を含む): 18036480

約数和(自身を除く): 5824735

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 26839, 134195, 187873, 348907, 939365, 1744535, 2442349, 12211745]

約数ペア:

[(1, 12211745), (5, 2442349), (7, 1744535), (13, 939365), (35, 348907), (65, 187873), (91, 134195), (455, 26839)]