28329427

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 33073920

約数和(自身を除く): 4744493

約数列:

[1, 7, 107, 109, 347, 749, 763, 2429, 11663, 37129, 37823, 81641, 259903, 264761, 4047061, 28329427]

約数ペア:

[(1, 28329427), (7, 4047061), (107, 264761), (109, 259903), (347, 81641), (749, 37823), (763, 37129), (2429, 11663)]