25084913

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 30643200

約数和(自身を除く): 5558287

約数列:

[1, 7, 29, 49, 127, 139, 203, 889, 973, 1421, 3683, 4031, 6223, 6811, 17653, 25781, 28217, 123571, 180467, 197519, 511937, 864997, 3583559, 25084913]

約数ペア:

[(1, 25084913), (7, 3583559), (29, 864997), (49, 511937), (127, 197519), (139, 180467), (203, 123571), (889, 28217), (973, 25781), (1421, 17653), (3683, 6811), (4031, 6223)]