123669385

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 187799040

約数和(自身を除く): 64129655

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 217, 245, 589, 665, 857, 931, 1085, 1519, 2945, 4123, 4285, 4655, 5999, 7595, 16283, 20615, 26567, 28861, 29995, 41993, 81415, 113981, 132835, 144305, 185969, 209965, 504773, 569905, 797867, 929845, 1301783, 2523865, 3533411, 3989335, 6508915, 17667055, 24733877, 123669385]

約数ペア:

[(1, 123669385), (5, 24733877), (7, 17667055), (19, 6508915), (31, 3989335), (35, 3533411), (49, 2523865), (95, 1301783), (133, 929845), (155, 797867), (217, 569905), (245, 504773), (589, 209965), (665, 185969), (857, 144305), (931, 132835), (1085, 113981), (1519, 81415), (2945, 41993), (4123, 29995), (4285, 28861), (4655, 26567), (5999, 20615), (7595, 16283)]