81189719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2498

約数の個数: 16

約数和(自身を含む): 90973344

約数和(自身を除く): 9783625

約数列:

[1, 13, 43, 61, 559, 793, 2381, 2623, 30953, 34099, 102383, 145241, 1330979, 1888133, 6245363, 81189719]

約数ペア:

[(1, 81189719), (13, 6245363), (43, 1888133), (61, 1330979), (559, 145241), (793, 102383), (2381, 34099), (2623, 30953)]