261514513

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{967}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 286868736

約数和(自身を除く): 25354223

約数列:

[1, 13, 71, 293, 923, 967, 3809, 12571, 20803, 68657, 270439, 283331, 892541, 3683303, 20116501, 261514513]

約数ペア:

[(1, 261514513), (13, 20116501), (71, 3683303), (293, 892541), (923, 283331), (967, 270439), (3809, 68657), (12571, 20803)]