78720485884

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{1997}}^1\times {\mathrm{87211}}^1$

素因数の和:89325

約数の個数: 24

約数和(自身を含む): 139051161648

約数和(自身を除く): 60330675764

約数列:

[1, 2, 4, 113, 226, 452, 1997, 3994, 7988, 87211, 174422, 225661, 348844, 451322, 902644, 9854843, 19709686, 39419372, 174160367, 348320734, 696641468, 19680121471, 39360242942, 78720485884]

約数ペア:

[(1, 78720485884), (2, 39360242942), (4, 19680121471), (113, 696641468), (226, 348320734), (452, 174160367), (1997, 39419372), (3994, 19709686), (7988, 9854843), (87211, 902644), (174422, 451322), (225661, 348844)]