81207779

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 87428352

約数和(自身を除く): 6220573

約数列:

[1, 23, 43, 157, 523, 989, 3611, 6751, 12029, 22489, 82111, 155273, 517247, 1888553, 3530773, 81207779]

約数ペア:

[(1, 81207779), (23, 3530773), (43, 1888553), (157, 517247), (523, 155273), (989, 82111), (3611, 22489), (6751, 12029)]