30686978

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{4993}}^1$

素因数の和:5441

約数の個数: 16

約数和(自身を含む): 52736640

約数和(自身を除く): 22049662

約数列:

[1, 2, 7, 14, 439, 878, 3073, 4993, 6146, 9986, 34951, 69902, 2191927, 4383854, 15343489, 30686978]

約数ペア:

[(1, 30686978), (2, 15343489), (7, 4383854), (14, 2191927), (439, 69902), (878, 34951), (3073, 9986), (4993, 6146)]