128265728

素因数分解:

$2^9\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1058

約数の個数: 40

約数和(自身を含む): 257345880

約数和(自身を除く): 129080152

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 379, 512, 661, 758, 1322, 1516, 2644, 3032, 5288, 6064, 10576, 12128, 21152, 24256, 42304, 48512, 84608, 97024, 169216, 194048, 250519, 338432, 501038, 1002076, 2004152, 4008304, 8016608, 16033216, 32066432, 64132864, 128265728]

約数ペア:

[(1, 128265728), (2, 64132864), (4, 32066432), (8, 16033216), (16, 8016608), (32, 4008304), (64, 2004152), (128, 1002076), (256, 501038), (379, 338432), (512, 250519), (661, 194048), (758, 169216), (1322, 97024), (1516, 84608), (2644, 48512), (3032, 42304), (5288, 24256), (6064, 21152), (10576, 12128)]