67639117

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23977}}^1$

素因数の和:24028

約数の個数: 16

約数和(自身を含む): 85937152

約数和(自身を除く): 18298035

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 23977, 167839, 311701, 743287, 2181907, 5203009, 9662731, 67639117]

約数ペア:

[(1, 67639117), (7, 9662731), (13, 5203009), (31, 2181907), (91, 743287), (217, 311701), (403, 167839), (2821, 23977)]