128439006

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{123737}}^1$

素因数の和:123915

約数の個数: 16

約数和(自身を含む): 258364944

約数和(自身を除く): 129925938

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 123737, 247474, 371211, 742422, 21406501, 42813002, 64219503, 128439006]

約数ペア:

[(1, 128439006), (2, 64219503), (3, 42813002), (6, 21406501), (173, 742422), (346, 371211), (519, 247474), (1038, 123737)]