157568257

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 216953856

約数和(自身を除く): 59385599

約数列:

[1, 7, 11, 17, 31, 77, 119, 121, 187, 217, 341, 353, 527, 847, 1309, 2057, 2387, 2471, 3689, 3751, 3883, 5797, 6001, 10943, 14399, 26257, 27181, 40579, 42007, 42713, 63767, 66011, 76601, 120373, 186031, 298991, 446369, 462077, 726121, 842611, 1302217, 1324103, 2046341, 5082847, 9268721, 14324387, 22509751, 157568257]

約数ペア:

[(1, 157568257), (7, 22509751), (11, 14324387), (17, 9268721), (31, 5082847), (77, 2046341), (119, 1324103), (121, 1302217), (187, 842611), (217, 726121), (341, 462077), (353, 446369), (527, 298991), (847, 186031), (1309, 120373), (2057, 76601), (2387, 66011), (2471, 63767), (3689, 42713), (3751, 42007), (3883, 40579), (5797, 27181), (6001, 26257), (10943, 14399)]