991868065

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 1249914240

約数和(自身を除く): 258046175

約数列:

[1, 5, 37, 89, 107, 185, 445, 535, 563, 2815, 3293, 3959, 9523, 16465, 19795, 20831, 47615, 50107, 60241, 104155, 250535, 301205, 352351, 1761755, 1853959, 2228917, 5361449, 9269795, 11144585, 26807245, 198373613, 991868065]

約数ペア:

[(1, 991868065), (5, 198373613), (37, 26807245), (89, 11144585), (107, 9269795), (185, 5361449), (445, 2228917), (535, 1853959), (563, 1761755), (2815, 352351), (3293, 301205), (3959, 250535), (9523, 104155), (16465, 60241), (19795, 50107), (20831, 47615)]