25295454

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{19793}}^1$

素因数の和:19872

約数の個数: 24

約数和(自身を含む): 55581552

約数和(自身を除く): 30286098

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 19793, 39586, 59379, 118758, 178137, 356274, 1405303, 2810606, 4215909, 8431818, 12647727, 25295454]

約数ペア:

[(1, 25295454), (2, 12647727), (3, 8431818), (6, 4215909), (9, 2810606), (18, 1405303), (71, 356274), (142, 178137), (213, 118758), (426, 59379), (639, 39586), (1278, 19793)]