200538541

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 248371200

約数和(自身を除く): 47832659

約数列:

[1, 7, 23, 43, 83, 161, 301, 349, 581, 989, 1909, 2443, 3569, 6923, 8027, 13363, 15007, 24983, 28967, 56189, 82087, 105049, 202769, 345161, 574609, 666241, 1245581, 2416127, 4663687, 8719067, 28648363, 200538541]

約数ペア:

[(1, 200538541), (7, 28648363), (23, 8719067), (43, 4663687), (83, 2416127), (161, 1245581), (301, 666241), (349, 574609), (581, 345161), (989, 202769), (1909, 105049), (2443, 82087), (3569, 56189), (6923, 28967), (8027, 24983), (13363, 15007)]