2640717919

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{47351}}^1$

素因数の和:47646

約数の個数: 16

約数和(自身を含む): 3127504896

約数和(自身を除く): 486786977

約数列:

[1, 7, 31, 217, 257, 1799, 7967, 47351, 55769, 331457, 1467881, 10275167, 12169207, 85184449, 377245417, 2640717919]

約数ペア:

[(1, 2640717919), (7, 377245417), (31, 85184449), (217, 12169207), (257, 10275167), (1799, 1467881), (7967, 331457), (47351, 55769)]