78881096

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2131}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 169366080

約数和(自身を除く): 90484984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 2131, 2644, 4262, 4627, 5288, 8524, 9254, 14917, 17048, 18508, 29834, 37016, 59668, 119336, 1408591, 2817182, 5634364, 9860137, 11268728, 19720274, 39440548, 78881096]

約数ペア:

[(1, 78881096), (2, 39440548), (4, 19720274), (7, 11268728), (8, 9860137), (14, 5634364), (28, 2817182), (56, 1408591), (661, 119336), (1322, 59668), (2131, 37016), (2644, 29834), (4262, 18508), (4627, 17048), (5288, 14917), (8524, 9254)]