213111794

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491041}}^1$

素因数の和:491081

約数の個数: 16

約数和(自身を含む): 377120256

約数和(自身を除く): 164008462

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 491041, 982082, 3437287, 6874574, 15222271, 30444542, 106555897, 213111794]

約数ペア:

[(1, 213111794), (2, 106555897), (7, 30444542), (14, 15222271), (31, 6874574), (62, 3437287), (217, 982082), (434, 491041)]