1991698

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 16

約数和(自身を含む): 3102624

約数和(自身を除く): 1110926

約数列:

[1, 2, 41, 82, 107, 214, 227, 454, 4387, 8774, 9307, 18614, 24289, 48578, 995849, 1991698]

約数ペア:

[(1, 1991698), (2, 995849), (41, 48578), (82, 24289), (107, 18614), (214, 9307), (227, 8774), (454, 4387)]