81895319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 92192256

約数和(自身を除く): 10296937

約数列:

[1, 11, 37, 311, 407, 647, 3421, 7117, 11507, 23939, 126577, 201217, 263329, 2213387, 7445029, 81895319]

約数ペア:

[(1, 81895319), (11, 7445029), (37, 2213387), (311, 263329), (407, 201217), (647, 126577), (3421, 23939), (7117, 11507)]