278662007

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{9739}}^1$

素因数の和:9854

約数の個数: 16

約数和(自身を含む): 314173440

約数和(自身を除く): 35511433

約数列:

[1, 13, 31, 71, 403, 923, 2201, 9739, 28613, 126607, 301909, 691469, 3924817, 8989097, 21435539, 278662007]

約数ペア:

[(1, 278662007), (13, 21435539), (31, 8989097), (71, 3924817), (403, 691469), (923, 301909), (2201, 126607), (9739, 28613)]