31111886

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1220

約数の個数: 24

約数和(自身を含む): 51188760

約数和(自身を除く): 20076874

約数列:

[1, 2, 13, 26, 83, 166, 169, 338, 1079, 1109, 2158, 2218, 14027, 14417, 28054, 28834, 92047, 184094, 187421, 374842, 1196611, 2393222, 15555943, 31111886]

約数ペア:

[(1, 31111886), (2, 15555943), (13, 2393222), (26, 1196611), (83, 374842), (166, 187421), (169, 184094), (338, 92047), (1079, 28834), (1109, 28054), (2158, 14417), (2218, 14027)]