280057564

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{2713}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 496531728

約数和(自身を除く): 216474164

約数列:

[1, 2, 4, 131, 197, 262, 394, 524, 788, 2713, 5426, 10852, 25807, 51614, 103228, 355403, 534461, 710806, 1068922, 1421612, 2137844, 70014391, 140028782, 280057564]

約数ペア:

[(1, 280057564), (2, 140028782), (4, 70014391), (131, 2137844), (197, 1421612), (262, 1068922), (394, 710806), (524, 534461), (788, 355403), (2713, 103228), (5426, 51614), (10852, 25807)]