39998917

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1913}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 47773440

約数和(自身を除く): 7774523

約数列:

[1, 7, 29, 103, 203, 721, 1913, 2987, 13391, 20909, 55477, 197039, 388339, 1379273, 5714131, 39998917]

約数ペア:

[(1, 39998917), (7, 5714131), (29, 1379273), (103, 388339), (203, 197039), (721, 55477), (1913, 20909), (2987, 13391)]