81310672

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{49339}}^1$

素因数の和:49450

約数の個数: 20

約数和(自身を含む): 159072160

約数和(自身を除く): 77761488

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 49339, 98678, 197356, 394712, 789424, 5081917, 10163834, 20327668, 40655336, 81310672]

約数ペア:

[(1, 81310672), (2, 40655336), (4, 20327668), (8, 10163834), (16, 5081917), (103, 789424), (206, 394712), (412, 197356), (824, 98678), (1648, 49339)]