68681728

素因数分解:

$2^{19}\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 138411900

約数和(自身を除く): 69730172

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 512, 524, 1024, 1048, 2048, 2096, 4096, 4192, 8192, 8384, 16384, 16768, 32768, 33536, 65536, 67072, 131072, 134144, 262144, 268288, 524288, 536576, 1073152, 2146304, 4292608, 8585216, 17170432, 34340864, 68681728]

約数ペア:

[(1, 68681728), (2, 34340864), (4, 17170432), (8, 8585216), (16, 4292608), (32, 2146304), (64, 1073152), (128, 536576), (131, 524288), (256, 268288), (262, 262144), (512, 134144), (524, 131072), (1024, 67072), (1048, 65536), (2048, 33536), (2096, 32768), (4096, 16768), (4192, 16384), (8192, 8384)]