128961138

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 280350720

約数和(自身を除く): 151389582

約数列:

[1, 2, 3, 6, 23, 46, 47, 59, 69, 94, 118, 138, 141, 177, 282, 337, 354, 674, 1011, 1081, 1357, 2022, 2162, 2714, 2773, 3243, 4071, 5546, 6486, 7751, 8142, 8319, 15502, 15839, 16638, 19883, 23253, 31678, 39766, 46506, 47517, 59649, 63779, 95034, 119298, 127558, 191337, 364297, 382674, 457309, 728594, 914618, 934501, 1092891, 1371927, 1869002, 2185782, 2743854, 2803503, 5607006, 21493523, 42987046, 64480569, 128961138]

約数ペア:

[(1, 128961138), (2, 64480569), (3, 42987046), (6, 21493523), (23, 5607006), (46, 2803503), (47, 2743854), (59, 2185782), (69, 1869002), (94, 1371927), (118, 1092891), (138, 934501), (141, 914618), (177, 728594), (282, 457309), (337, 382674), (354, 364297), (674, 191337), (1011, 127558), (1081, 119298), (1357, 95034), (2022, 63779), (2162, 59649), (2714, 47517), (2773, 46506), (3243, 39766), (4071, 31678), (5546, 23253), (6486, 19883), (7751, 16638), (8142, 15839), (8319, 15502)]