81265744

素因数分解:

$2^4\times 7^1\times {\mathrm{725587}}^1$

素因数の和:725602

約数の個数: 20

約数和(自身を含む): 179945824

約数和(自身を除く): 98680080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725587, 1451174, 2902348, 5079109, 5804696, 10158218, 11609392, 20316436, 40632872, 81265744]

約数ペア:

[(1, 81265744), (2, 40632872), (4, 20316436), (7, 11609392), (8, 10158218), (14, 5804696), (16, 5079109), (28, 2902348), (56, 1451174), (112, 725587)]