66521936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319817}}^1$

素因数の和:319838

約数の個数: 20

約数和(自身を含む): 138801012

約数和(自身を除く): 72279076

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319817, 639634, 1279268, 2558536, 4157621, 5117072, 8315242, 16630484, 33260968, 66521936]

約数ペア:

[(1, 66521936), (2, 33260968), (4, 16630484), (8, 8315242), (13, 5117072), (16, 4157621), (26, 2558536), (52, 1279268), (104, 639634), (208, 319817)]