28005248

素因数分解:

$2^7\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 56044920

約数和(自身を除く): 28039672

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 331, 661, 662, 1322, 1324, 2644, 2648, 5288, 5296, 10576, 10592, 21152, 21184, 42304, 42368, 84608, 218791, 437582, 875164, 1750328, 3500656, 7001312, 14002624, 28005248]

約数ペア:

[(1, 28005248), (2, 14002624), (4, 7001312), (8, 3500656), (16, 1750328), (32, 875164), (64, 437582), (128, 218791), (331, 84608), (661, 42368), (662, 42304), (1322, 21184), (1324, 21152), (2644, 10592), (2648, 10576), (5288, 5296)]