1990846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6987

約数の個数: 16

約数和(自身を含む): 3508848

約数和(自身を除く): 1518002

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 6961, 13922, 76571, 90493, 153142, 180986, 995423, 1990846]

約数ペア:

[(1, 1990846), (2, 995423), (11, 180986), (13, 153142), (22, 90493), (26, 76571), (143, 13922), (286, 6961)]