290808287

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{539533}}^1$

素因数の和:539558

約数の個数: 12

約数和(自身を含む): 369041256

約数和(自身を除く): 78232969

約数列:

[1, 7, 11, 49, 77, 539, 539533, 3776731, 5934863, 26437117, 41544041, 290808287]

約数ペア:

[(1, 290808287), (7, 41544041), (11, 26437117), (49, 5934863), (77, 3776731), (539, 539533)]