81759242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{5531}}^1$

素因数の和:5941

約数の個数: 16

約数和(自身を含む): 129448800

約数和(自身を除く): 47689558

約数列:

[1, 2, 19, 38, 389, 778, 5531, 7391, 11062, 14782, 105089, 210178, 2151559, 4303118, 40879621, 81759242]

約数ペア:

[(1, 81759242), (2, 40879621), (19, 4303118), (38, 2151559), (389, 210178), (778, 105089), (5531, 14782), (7391, 11062)]