128836678

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{21523}}^1$

素因数の和:21639

約数の個数: 16

約数和(自身を含む): 200689776

約数和(自身を除く): 71853098

約数列:

[1, 2, 41, 73, 82, 146, 2993, 5986, 21523, 43046, 882443, 1571179, 1764886, 3142358, 64418339, 128836678]

約数ペア:

[(1, 128836678), (2, 64418339), (41, 3142358), (73, 1764886), (82, 1571179), (146, 882443), (2993, 43046), (5986, 21523)]