2078978032

素因数分解:

$2^4\times {\mathrm{6661}}^1\times {\mathrm{19507}}^1$

素因数の和:26176

約数の個数: 20

約数和(自身を含む): 4028831176

約数和(自身を除く): 1949853144

約数列:

[1, 2, 4, 8, 16, 6661, 13322, 19507, 26644, 39014, 53288, 78028, 106576, 156056, 312112, 129936127, 259872254, 519744508, 1039489016, 2078978032]

約数ペア:

[(1, 2078978032), (2, 1039489016), (4, 519744508), (8, 259872254), (16, 129936127), (6661, 312112), (13322, 156056), (19507, 106576), (26644, 78028), (39014, 53288)]