25999987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 30082752

約数和(自身を除く): 4082765

約数列:

[1, 13, 17, 71, 221, 923, 1207, 1657, 15691, 21541, 28169, 117647, 366197, 1529411, 1999999, 25999987]

約数ペア:

[(1, 25999987), (13, 1999999), (17, 1529411), (71, 366197), (221, 117647), (923, 28169), (1207, 21541), (1657, 15691)]