208348719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 300962304

約数和(自身を除く): 92613585

約数列:

[1, 3, 17, 51, 71, 163, 213, 353, 489, 1059, 1207, 2771, 3621, 6001, 8313, 11573, 18003, 25063, 34719, 57539, 75189, 172617, 196741, 426071, 590223, 978163, 1278213, 2934489, 4085269, 12255807, 69449573, 208348719]

約数ペア:

[(1, 208348719), (3, 69449573), (17, 12255807), (51, 4085269), (71, 2934489), (163, 1278213), (213, 978163), (353, 590223), (489, 426071), (1059, 196741), (1207, 172617), (2771, 75189), (3621, 57539), (6001, 34719), (8313, 25063), (11573, 18003)]