81289144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4211}}^1$

素因数の和:4363

約数の個数: 32

約数和(自身を含む): 161740800

約数和(自身を除く): 80451656

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 1016, 2413, 4211, 4826, 8422, 9652, 16844, 19304, 33688, 80009, 160018, 320036, 534797, 640072, 1069594, 2139188, 4278376, 10161143, 20322286, 40644572, 81289144]

約数ペア:

[(1, 81289144), (2, 40644572), (4, 20322286), (8, 10161143), (19, 4278376), (38, 2139188), (76, 1069594), (127, 640072), (152, 534797), (254, 320036), (508, 160018), (1016, 80009), (2413, 33688), (4211, 19304), (4826, 16844), (8422, 9652)]