66769556

素因数分解:

$2^2\times 7^2\times {\mathrm{340661}}^1$

素因数の和:340679

約数の個数: 18

約数和(自身を含む): 135924138

約数和(自身を除く): 69154582

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340661, 681322, 1362644, 2384627, 4769254, 9538508, 16692389, 33384778, 66769556]

約数ペア:

[(1, 66769556), (2, 33384778), (4, 16692389), (7, 9538508), (14, 4769254), (28, 2384627), (49, 1362644), (98, 681322), (196, 340661)]