25410028

素因数分解:

$2^2\times 7^2\times {\mathrm{129643}}^1$

素因数の和:129661

約数の個数: 18

約数和(自身を含む): 51727956

約数和(自身を除く): 26317928

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 129643, 259286, 518572, 907501, 1815002, 3630004, 6352507, 12705014, 25410028]

約数ペア:

[(1, 25410028), (2, 12705014), (4, 6352507), (7, 3630004), (14, 1815002), (28, 907501), (49, 518572), (98, 259286), (196, 129643)]