64912419935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1\times {\mathrm{14939}}^1$

素因数の和:15551

約数の個数: 32

約数和(自身を含む): 85624128000

約数和(自身を除く): 20711708065

約数列:

[1, 5, 11, 55, 199, 397, 995, 1985, 2189, 4367, 10945, 14939, 21835, 74695, 79003, 164329, 395015, 821645, 869033, 2972861, 4345165, 5930783, 14864305, 29653915, 32701471, 65238613, 163507355, 326193065, 1180225817, 5901129085, 12982483987, 64912419935]

約数ペア:

[(1, 64912419935), (5, 12982483987), (11, 5901129085), (55, 1180225817), (199, 326193065), (397, 163507355), (995, 65238613), (1985, 32701471), (2189, 29653915), (4367, 14864305), (10945, 5930783), (14939, 4345165), (21835, 2972861), (74695, 869033), (79003, 821645), (164329, 395015)]