640272021838

素因数分解:

$2^1\times {\mathrm{227}}^1\times {\mathrm{1153}}^1\times {\mathrm{1223149}}^1$

素因数の和:1224531

約数の個数: 16

約数和(自身を含む): 965476328400

約数和(自身を除く): 325204306562

約数列:

[1, 2, 227, 454, 1153, 2306, 261731, 523462, 1223149, 2446298, 277654823, 555309646, 1410290797, 2820581594, 320136010919, 640272021838]

約数ペア:

[(1, 640272021838), (2, 320136010919), (227, 2820581594), (454, 1410290797), (1153, 555309646), (2306, 277654823), (261731, 2446298), (523462, 1223149)]