68820052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129361}}^1$

素因数の和:129391

約数の個数: 24

約数和(自身を含む): 144885440

約数和(自身を除く): 76065388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 129361, 258722, 517444, 905527, 1811054, 2457859, 3622108, 4915718, 9831436, 17205013, 34410026, 68820052]

約数ペア:

[(1, 68820052), (2, 34410026), (4, 17205013), (7, 9831436), (14, 4915718), (19, 3622108), (28, 2457859), (38, 1811054), (76, 905527), (133, 517444), (266, 258722), (532, 129361)]