2011993039

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1\times {\mathrm{6959}}^1$

素因数の和:7470

約数の個数: 16

約数和(自身を含む): 2327869440

約数和(自身を除く): 315876401

約数列:

[1, 7, 103, 401, 721, 2807, 6959, 41303, 48713, 289121, 716777, 2790559, 5017439, 19533913, 287427577, 2011993039]

約数ペア:

[(1, 2011993039), (7, 287427577), (103, 19533913), (401, 5017439), (721, 2790559), (2807, 716777), (6959, 289121), (41303, 48713)]