85681744

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 169685568

約数和(自身を除く): 84003824

約数列:

[1, 2, 4, 8, 16, 67, 134, 257, 268, 311, 514, 536, 622, 1028, 1072, 1244, 2056, 2488, 4112, 4976, 17219, 20837, 34438, 41674, 68876, 79927, 83348, 137752, 159854, 166696, 275504, 319708, 333392, 639416, 1278832, 5355109, 10710218, 21420436, 42840872, 85681744]

約数ペア:

[(1, 85681744), (2, 42840872), (4, 21420436), (8, 10710218), (16, 5355109), (67, 1278832), (134, 639416), (257, 333392), (268, 319708), (311, 275504), (514, 166696), (536, 159854), (622, 137752), (1028, 83348), (1072, 79927), (1244, 68876), (2056, 41674), (2488, 34438), (4112, 20837), (4976, 17219)]