64127488

素因数分解:

$2^9\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:768

約数の個数: 40

約数和(自身を含む): 128898000

約数和(自身を除く): 64770512

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 499, 502, 512, 998, 1004, 1996, 2008, 3992, 4016, 7984, 8032, 15968, 16064, 31936, 32128, 63872, 64256, 125249, 127744, 128512, 250498, 255488, 500996, 1001992, 2003984, 4007968, 8015936, 16031872, 32063744, 64127488]

約数ペア:

[(1, 64127488), (2, 32063744), (4, 16031872), (8, 8015936), (16, 4007968), (32, 2003984), (64, 1001992), (128, 500996), (251, 255488), (256, 250498), (499, 128512), (502, 127744), (512, 125249), (998, 64256), (1004, 63872), (1996, 32128), (2008, 31936), (3992, 16064), (4016, 15968), (7984, 8032)]