251018157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 367960320

約数和(自身を除く): 116942163

約数列:

[1, 3, 13, 39, 71, 213, 269, 337, 807, 923, 1011, 2769, 3497, 4381, 10491, 13143, 19099, 23927, 57297, 71781, 90653, 248287, 271959, 311051, 744861, 933153, 1178489, 3535467, 6436363, 19309089, 83672719, 251018157]

約数ペア:

[(1, 251018157), (3, 83672719), (13, 19309089), (39, 6436363), (71, 3535467), (213, 1178489), (269, 933153), (337, 744861), (807, 311051), (923, 271959), (1011, 248287), (2769, 90653), (3497, 71781), (4381, 57297), (10491, 23927), (13143, 19099)]