551426519

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{15559}}^1$

素因数の和:15710

約数の個数: 16

約数和(自身を含む): 648291840

約数和(自身を除く): 96865321

約数列:

[1, 7, 61, 83, 427, 581, 5063, 15559, 35441, 108913, 949099, 1291397, 6643693, 9039779, 78775217, 551426519]

約数ペア:

[(1, 551426519), (7, 78775217), (61, 9039779), (83, 6643693), (427, 1291397), (581, 949099), (5063, 108913), (15559, 35441)]