138864995

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{883}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 169558272

約数和(自身を除く): 30693277

約数列:

[1, 5, 71, 355, 443, 883, 2215, 4415, 31453, 62693, 157265, 313465, 391169, 1955845, 27772999, 138864995]

約数ペア:

[(1, 138864995), (5, 27772999), (71, 1955845), (355, 391169), (443, 313465), (883, 157265), (2215, 62693), (4415, 31453)]