72019916

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{27239}}^1$

素因数の和:27904

約数の個数: 12

約数和(自身を含む): 126230160

約数和(自身を除く): 54210244

約数列:

[1, 2, 4, 661, 1322, 2644, 27239, 54478, 108956, 18004979, 36009958, 72019916]

約数ペア:

[(1, 72019916), (2, 36009958), (4, 18004979), (661, 108956), (1322, 54478), (2644, 27239)]