128678696

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{226547}}^1$

素因数の和:226624

約数の個数: 16

約数和(自身を含む): 244671840

約数和(自身を除く): 115993144

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 226547, 453094, 906188, 1812376, 16084837, 32169674, 64339348, 128678696]

約数ペア:

[(1, 128678696), (2, 64339348), (4, 32169674), (8, 16084837), (71, 1812376), (142, 906188), (284, 453094), (568, 226547)]