207175870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 423263232

約数和(自身を除く): 216087362

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 82, 110, 142, 205, 355, 410, 451, 647, 710, 781, 902, 1294, 1562, 2255, 2911, 3235, 3905, 4510, 5822, 6470, 7117, 7810, 14234, 14555, 26527, 29110, 32021, 35585, 45937, 53054, 64042, 71170, 91874, 132635, 160105, 229685, 265270, 291797, 320210, 459370, 505307, 583594, 1010614, 1458985, 1883417, 2526535, 2917970, 3766834, 5053070, 9417085, 18834170, 20717587, 41435174, 103587935, 207175870]

約数ペア:

[(1, 207175870), (2, 103587935), (5, 41435174), (10, 20717587), (11, 18834170), (22, 9417085), (41, 5053070), (55, 3766834), (71, 2917970), (82, 2526535), (110, 1883417), (142, 1458985), (205, 1010614), (355, 583594), (410, 505307), (451, 459370), (647, 320210), (710, 291797), (781, 265270), (902, 229685), (1294, 160105), (1562, 132635), (2255, 91874), (2911, 71170), (3235, 64042), (3905, 53054), (4510, 45937), (5822, 35585), (6470, 32021), (7117, 29110), (7810, 26527), (14234, 14555)]