387942779

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71143}}^1$

素因数の和:71210

約数の個数: 16

約数和(自身を含む): 478087680

約数和(自身を除く): 90144901

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 71143, 498001, 1351717, 2916863, 9462019, 20418041, 55420397, 387942779]

約数ペア:

[(1, 387942779), (7, 55420397), (19, 20418041), (41, 9462019), (133, 2916863), (287, 1351717), (779, 498001), (5453, 71143)]