257069356

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{443}}^1\times {\mathrm{607}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 453519360

約数和(自身を除く): 196450004

約数列:

[1, 2, 4, 239, 443, 478, 607, 886, 956, 1214, 1772, 2428, 105877, 145073, 211754, 268901, 290146, 423508, 537802, 580292, 1075604, 64267339, 128534678, 257069356]

約数ペア:

[(1, 257069356), (2, 128534678), (4, 64267339), (239, 1075604), (443, 580292), (478, 537802), (607, 423508), (886, 290146), (956, 268901), (1214, 211754), (1772, 145073), (2428, 105877)]