1320810878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{82561}}^1$

素因数の和:83003

約数の個数: 16

約数和(自身を含む): 2090469840

約数和(自身を除く): 769658962

約数列:

[1, 2, 19, 38, 421, 842, 7999, 15998, 82561, 165122, 1568659, 3137318, 34758181, 69516362, 660405439, 1320810878]

約数ペア:

[(1, 1320810878), (2, 660405439), (19, 69516362), (38, 34758181), (421, 3137318), (842, 1568659), (7999, 165122), (15998, 82561)]