217248052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{408361}}^1$

素因数の和:408391

約数の個数: 24

約数和(自身を含む): 457365440

約数和(自身を除く): 240117388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 408361, 816722, 1633444, 2858527, 5717054, 7758859, 11434108, 15517718, 31035436, 54312013, 108624026, 217248052]

約数ペア:

[(1, 217248052), (2, 108624026), (4, 54312013), (7, 31035436), (14, 15517718), (19, 11434108), (28, 7758859), (38, 5717054), (76, 2858527), (133, 1633444), (266, 816722), (532, 408361)]