81880721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7960

約数の個数: 16

約数和(自身を含む): 95364864

約数和(自身を除く): 13484143

約数列:

[1, 13, 17, 47, 221, 611, 799, 7883, 10387, 102479, 134011, 370501, 1742143, 4816513, 6298517, 81880721]

約数ペア:

[(1, 81880721), (13, 6298517), (17, 4816513), (47, 1742143), (221, 370501), (611, 134011), (799, 102479), (7883, 10387)]