257968571

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{5641}}^1$

素因数の和:5834

約数の個数: 16

約数和(自身を含む): 303313920

約数和(自身を除く): 45345349

約数列:

[1, 7, 47, 139, 329, 973, 5641, 6533, 39487, 45731, 265127, 784099, 1855889, 5488693, 36852653, 257968571]

約数ペア:

[(1, 257968571), (7, 36852653), (47, 5488693), (139, 1855889), (329, 784099), (973, 265127), (5641, 45731), (6533, 39487)]