128605424

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{113209}}^1$

素因数の和:113288

約数の個数: 20

約数和(自身を含む): 252684720

約数和(自身を除く): 124079296

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 113209, 226418, 452836, 905672, 1811344, 8037839, 16075678, 32151356, 64302712, 128605424]

約数ペア:

[(1, 128605424), (2, 64302712), (4, 32151356), (8, 16075678), (16, 8037839), (71, 1811344), (142, 905672), (284, 452836), (568, 226418), (1136, 113209)]