202028981

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{2459}}^1$

素因数の和:2585

約数の個数: 24

約数和(自身を含む): 256509120

約数和(自身を除く): 54480139

約数列:

[1, 7, 11, 77, 97, 121, 679, 847, 1067, 2459, 7469, 11737, 17213, 27049, 82159, 189343, 238523, 297539, 1669661, 2082773, 2623753, 18366271, 28861283, 202028981]

約数ペア:

[(1, 202028981), (7, 28861283), (11, 18366271), (77, 2623753), (97, 2082773), (121, 1669661), (679, 297539), (847, 238523), (1067, 189343), (2459, 82159), (7469, 27049), (11737, 17213)]