128520874

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1\times {\mathrm{1451}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 196089696

約数和(自身を除く): 67568822

約数列:

[1, 2, 67, 134, 661, 1322, 1451, 2902, 44287, 88574, 97217, 194434, 959111, 1918222, 64260437, 128520874]

約数ペア:

[(1, 128520874), (2, 64260437), (67, 1918222), (134, 959111), (661, 194434), (1322, 97217), (1451, 88574), (2902, 44287)]