81300784

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{49333}}^1$

素因数の和:49444

約数の個数: 20

約数和(自身を含む): 159052816

約数和(自身を除く): 77752032

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 49333, 98666, 197332, 394664, 789328, 5081299, 10162598, 20325196, 40650392, 81300784]

約数ペア:

[(1, 81300784), (2, 40650392), (4, 20325196), (8, 10162598), (16, 5081299), (103, 789328), (206, 394664), (412, 197332), (824, 98666), (1648, 49333)]