208538414

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{111997}}^1$

素因数の和:112032

約数の個数: 24

約数和(自身を含む): 383033160

約数和(自身を除く): 174494746

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 111997, 223994, 783979, 1567958, 2127943, 4255886, 5487853, 10975706, 14895601, 29791202, 104269207, 208538414]

約数ペア:

[(1, 208538414), (2, 104269207), (7, 29791202), (14, 14895601), (19, 10975706), (38, 5487853), (49, 4255886), (98, 2127943), (133, 1567958), (266, 783979), (931, 223994), (1862, 111997)]