981943291

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{328519}}^1$

素因数の和:328594

約数の個数: 12

約数和(自身を含む): 1160989680

約数和(自身を除く): 179046389

約数列:

[1, 7, 49, 61, 427, 2989, 328519, 2299633, 16097431, 20039659, 140277613, 981943291]

約数ペア:

[(1, 981943291), (7, 140277613), (49, 20039659), (61, 16097431), (427, 2299633), (2989, 328519)]