128895984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{127873}}^1$

素因数の和:127894

約数の個数: 60

約数和(自身を含む): 412265776

約数和(自身を除く): 283369792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 127873, 255746, 383619, 511492, 767238, 895111, 1022984, 1150857, 1534476, 1790222, 2045968, 2301714, 2685333, 3068952, 3580444, 4603428, 5370666, 6137904, 7160888, 8055999, 9206856, 10741332, 14321776, 16111998, 18413712, 21482664, 32223996, 42965328, 64447992, 128895984]

約数ペア:

[(1, 128895984), (2, 64447992), (3, 42965328), (4, 32223996), (6, 21482664), (7, 18413712), (8, 16111998), (9, 14321776), (12, 10741332), (14, 9206856), (16, 8055999), (18, 7160888), (21, 6137904), (24, 5370666), (28, 4603428), (36, 3580444), (42, 3068952), (48, 2685333), (56, 2301714), (63, 2045968), (72, 1790222), (84, 1534476), (112, 1150857), (126, 1022984), (144, 895111), (168, 767238), (252, 511492), (336, 383619), (504, 255746), (1008, 127873)]