257702912

素因数分解:

$2^{10}\times {\mathrm{251663}}^1$

素因数の和:251683

約数の個数: 22

約数和(自身を含む): 515156208

約数和(自身を除く): 257453296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 251663, 503326, 1006652, 2013304, 4026608, 8053216, 16106432, 32212864, 64425728, 128851456, 257702912]

約数ペア:

[(1, 257702912), (2, 128851456), (4, 64425728), (8, 32212864), (16, 16106432), (32, 8053216), (64, 4026608), (128, 2013304), (256, 1006652), (512, 503326), (1024, 251663)]