217973834

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 371879424

約数和(自身を除く): 153905590

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 169, 293, 338, 403, 586, 806, 923, 1846, 2201, 3809, 4402, 5239, 7618, 9083, 10478, 11999, 18166, 20803, 23998, 28613, 41606, 49517, 57226, 99034, 118079, 236158, 270439, 371969, 540878, 644893, 743938, 1289786, 1535027, 3070054, 3515707, 7031414, 8383609, 16767218, 108986917, 217973834]

約数ペア:

[(1, 217973834), (2, 108986917), (13, 16767218), (26, 8383609), (31, 7031414), (62, 3515707), (71, 3070054), (142, 1535027), (169, 1289786), (293, 743938), (338, 644893), (403, 540878), (586, 371969), (806, 270439), (923, 236158), (1846, 118079), (2201, 99034), (3809, 57226), (4402, 49517), (5239, 41606), (7618, 28613), (9083, 23998), (10478, 20803), (11999, 18166)]