128664578

素因数分解:

$2^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{27271}}^1$

素因数の和:27617

約数の個数: 16

約数和(自身を含む): 221230464

約数和(自身を除く): 92565886

約数列:

[1, 2, 7, 14, 337, 674, 2359, 4718, 27271, 54542, 190897, 381794, 9190327, 18380654, 64332289, 128664578]

約数ペア:

[(1, 128664578), (2, 64332289), (7, 18380654), (14, 9190327), (337, 381794), (674, 190897), (2359, 54542), (4718, 27271)]