128668526

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{72367}}^1$

素因数の和:72503

約数の個数: 16

約数和(自身を含む): 222314496

約数和(自身を除く): 93645970

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 72367, 144734, 506569, 1013138, 9190609, 18381218, 64334263, 128668526]

約数ペア:

[(1, 128668526), (2, 64334263), (7, 18381218), (14, 9190609), (127, 1013138), (254, 506569), (889, 144734), (1778, 72367)]