1997006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2167

約数の個数: 16

約数和(自身を含む): 3345408

約数和(自身を除く): 1348402

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 2111, 4222, 23221, 46442, 90773, 181546, 998503, 1997006]

約数ペア:

[(1, 1997006), (2, 998503), (11, 181546), (22, 90773), (43, 46442), (86, 23221), (473, 4222), (946, 2111)]