128425728

素因数分解:

$2^8\times 3^1\times {\mathrm{167221}}^1$

素因数の和:167240

約数の個数: 36

約数和(自身を含む): 341801768

約数和(自身を除く): 213376040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 167221, 334442, 501663, 668884, 1003326, 1337768, 2006652, 2675536, 4013304, 5351072, 8026608, 10702144, 16053216, 21404288, 32106432, 42808576, 64212864, 128425728]

約数ペア:

[(1, 128425728), (2, 64212864), (3, 42808576), (4, 32106432), (6, 21404288), (8, 16053216), (12, 10702144), (16, 8026608), (24, 5351072), (32, 4013304), (48, 2675536), (64, 2006652), (96, 1337768), (128, 1003326), (192, 668884), (256, 501663), (384, 334442), (768, 167221)]