251018274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139921}}^1$

素因数の和:139962

約数の個数: 32

約数和(自身を含む): 564165504

約数和(自身を除く): 313147230

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 139921, 279842, 419763, 839526, 1818973, 3218183, 3637946, 5456919, 6436366, 9654549, 10913838, 19309098, 41836379, 83672758, 125509137, 251018274]

約数ペア:

[(1, 251018274), (2, 125509137), (3, 83672758), (6, 41836379), (13, 19309098), (23, 10913838), (26, 9654549), (39, 6436366), (46, 5456919), (69, 3637946), (78, 3218183), (138, 1818973), (299, 839526), (598, 419763), (897, 279842), (1794, 139921)]