257492079004

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{145311557}}^1$

素因数の和:145312004

約数の個数: 12

約数和(自身を含む): 451628322264

約数和(自身を除く): 194136243260

約数列:

[1, 2, 4, 443, 886, 1772, 145311557, 290623114, 581246228, 64373019751, 128746039502, 257492079004]

約数ペア:

[(1, 257492079004), (2, 128746039502), (4, 64373019751), (443, 581246228), (886, 290623114), (1772, 145311557)]