16668886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20727

約数の個数: 16

約数和(自身を含む): 27796608

約数和(自身を除く): 11127722

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 20681, 41362, 268853, 537706, 641111, 1282222, 8334443, 16668886]

約数ペア:

[(1, 16668886), (2, 8334443), (13, 1282222), (26, 641111), (31, 537706), (62, 268853), (403, 41362), (806, 20681)]