1291212958

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1299007}}^1$

素因数の和:1299087

約数の個数: 16

約数和(自身を含む): 2244685824

約数和(自身を除く): 953472866

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 1299007, 2598014, 9093049, 18186098, 92229497, 184458994, 645606479, 1291212958]

約数ペア:

[(1, 1291212958), (2, 645606479), (7, 184458994), (14, 92229497), (71, 18186098), (142, 9093049), (497, 2598014), (994, 1299007)]