131531617

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{4127}}^1$

素因数の和:4320

約数の個数: 16

約数和(自身を含む): 156533760

約数和(自身を除く): 25002143

約数列:

[1, 7, 29, 157, 203, 1099, 4127, 4553, 28889, 31871, 119683, 647939, 837781, 4535573, 18790231, 131531617]

約数ペア:

[(1, 131531617), (7, 18790231), (29, 4535573), (157, 837781), (203, 647939), (1099, 119683), (4127, 31871), (4553, 28889)]