31123968

素因数分解:

$2^9\times 3^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:925

約数の個数: 80

約数和(自身を含む): 86619456

約数和(自身を除く): 55495488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 512, 552, 736, 768, 881, 1104, 1472, 1536, 1762, 2208, 2643, 2944, 3524, 4416, 5286, 5888, 7048, 8832, 10572, 11776, 14096, 17664, 20263, 21144, 28192, 35328, 40526, 42288, 56384, 60789, 81052, 84576, 112768, 121578, 162104, 169152, 225536, 243156, 324208, 338304, 451072, 486312, 648416, 676608, 972624, 1296832, 1353216, 1945248, 2593664, 3890496, 5187328, 7780992, 10374656, 15561984, 31123968]

約数ペア:

[(1, 31123968), (2, 15561984), (3, 10374656), (4, 7780992), (6, 5187328), (8, 3890496), (12, 2593664), (16, 1945248), (23, 1353216), (24, 1296832), (32, 972624), (46, 676608), (48, 648416), (64, 486312), (69, 451072), (92, 338304), (96, 324208), (128, 243156), (138, 225536), (184, 169152), (192, 162104), (256, 121578), (276, 112768), (368, 84576), (384, 81052), (512, 60789), (552, 56384), (736, 42288), (768, 40526), (881, 35328), (1104, 28192), (1472, 21144), (1536, 20263), (1762, 17664), (2208, 14096), (2643, 11776), (2944, 10572), (3524, 8832), (4416, 7048), (5286, 5888)]