489434687

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{659}}^2$

素因数の和:1355

約数の個数: 18

約数和(自身を含む): 594999288

約数和(自身を除く): 105564601

約数列:

[1, 7, 23, 49, 161, 659, 1127, 4613, 15157, 32291, 106099, 434281, 742693, 3039967, 9988463, 21279769, 69919241, 489434687]

約数ペア:

[(1, 489434687), (7, 69919241), (23, 21279769), (49, 9988463), (161, 3039967), (659, 742693), (1127, 434281), (4613, 106099), (15157, 32291)]