1388897866

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{40429}}^1$

素因数の和:40713

約数の個数: 16

約数和(自身を含む): 2117723400

約数和(自身を除く): 728825534

約数列:

[1, 2, 89, 178, 193, 386, 17177, 34354, 40429, 80858, 3598181, 7196362, 7802797, 15605594, 694448933, 1388897866]

約数ペア:

[(1, 1388897866), (2, 694448933), (89, 15605594), (178, 7802797), (193, 7196362), (386, 3598181), (17177, 80858), (34354, 40429)]