25370828

素因数分解:

$2^2\times 7^2\times {\mathrm{129443}}^1$

素因数の和:129461

約数の個数: 18

約数和(自身を含む): 51648156

約数和(自身を除く): 26277328

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 129443, 258886, 517772, 906101, 1812202, 3624404, 6342707, 12685414, 25370828]

約数ペア:

[(1, 25370828), (2, 12685414), (4, 6342707), (7, 3624404), (14, 1812202), (28, 906101), (49, 517772), (98, 258886), (196, 129443)]