201331448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{4259}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 398736000

約数和(自身を除く): 197404552

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 622, 1244, 2488, 4259, 5909, 8518, 11818, 17036, 23636, 34072, 47272, 80921, 161842, 323684, 647368, 1324549, 2649098, 5298196, 10596392, 25166431, 50332862, 100665724, 201331448]

約数ペア:

[(1, 201331448), (2, 100665724), (4, 50332862), (8, 25166431), (19, 10596392), (38, 5298196), (76, 2649098), (152, 1324549), (311, 647368), (622, 323684), (1244, 161842), (2488, 80921), (4259, 47272), (5909, 34072), (8518, 23636), (11818, 17036)]