785427838

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{27997}}^1$

素因数の和:28108

約数の個数: 24

約数和(自身を含む): 1291155768

約数和(自身を除く): 505727930

約数列:

[1, 2, 13, 26, 83, 166, 169, 338, 1079, 2158, 14027, 27997, 28054, 55994, 363961, 727922, 2323751, 4647502, 4731493, 9462986, 30208763, 60417526, 392713919, 785427838]

約数ペア:

[(1, 785427838), (2, 392713919), (13, 60417526), (26, 30208763), (83, 9462986), (166, 4731493), (169, 4647502), (338, 2323751), (1079, 727922), (2158, 363961), (14027, 55994), (27997, 28054)]