123988319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71711}}^1$

素因数の和:71750

約数の個数: 16

約数和(自身を含む): 160634880

約数和(自身を除く): 36646561

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 71711, 501977, 932243, 1362509, 6525701, 9537563, 17712617, 123988319]

約数ペア:

[(1, 123988319), (7, 17712617), (13, 9537563), (19, 6525701), (91, 1362509), (133, 932243), (247, 501977), (1729, 71711)]