28401331

素因数分解:

$7^2\times {\mathrm{107}}^1\times {\mathrm{5417}}^1$

素因数の和:5538

約数の個数: 12

約数和(自身を含む): 33353208

約数和(自身を除く): 4951877

約数列:

[1, 7, 49, 107, 749, 5243, 5417, 37919, 265433, 579619, 4057333, 28401331]

約数ペア:

[(1, 28401331), (7, 4057333), (49, 579619), (107, 265433), (749, 37919), (5243, 5417)]