138271504

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9721}}^1$

素因数の和:9863

約数の個数: 40

約数和(自身を含む): 308615168

約数和(自身を除く): 170343664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 9721, 14224, 19442, 38884, 68047, 77768, 136094, 155536, 272188, 544376, 1088752, 1234567, 2469134, 4938268, 8641969, 9876536, 17283938, 19753072, 34567876, 69135752, 138271504]

約数ペア:

[(1, 138271504), (2, 69135752), (4, 34567876), (7, 19753072), (8, 17283938), (14, 9876536), (16, 8641969), (28, 4938268), (56, 2469134), (112, 1234567), (127, 1088752), (254, 544376), (508, 272188), (889, 155536), (1016, 136094), (1778, 77768), (2032, 68047), (3556, 38884), (7112, 19442), (9721, 14224)]