199917185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{43319}}^1$

素因数の和:43408

約数の個数: 16

約数和(自身を含む): 261999360

約数和(自身を除く): 62082175

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 43319, 216595, 563147, 2815735, 3075649, 15378245, 39983437, 199917185]

約数ペア:

[(1, 199917185), (5, 39983437), (13, 15378245), (65, 3075649), (71, 2815735), (355, 563147), (923, 216595), (4615, 43319)]