77791768

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 149664960

約数和(自身を除く): 71873192

約数列:

[1, 2, 4, 8, 47, 94, 188, 313, 376, 626, 661, 1252, 1322, 2504, 2644, 5288, 14711, 29422, 31067, 58844, 62134, 117688, 124268, 206893, 248536, 413786, 827572, 1655144, 9723971, 19447942, 38895884, 77791768]

約数ペア:

[(1, 77791768), (2, 38895884), (4, 19447942), (8, 9723971), (47, 1655144), (94, 827572), (188, 413786), (313, 248536), (376, 206893), (626, 124268), (661, 117688), (1252, 62134), (1322, 58844), (2504, 31067), (2644, 29422), (5288, 14711)]