7845145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 12410496

約数和(自身を除く): 4565351

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 71, 77, 205, 245, 287, 355, 385, 451, 497, 539, 781, 1435, 2009, 2255, 2485, 2695, 2911, 3157, 3479, 3905, 5467, 10045, 14555, 15785, 17395, 20377, 22099, 27335, 32021, 38269, 101885, 110495, 142639, 160105, 191345, 224147, 713195, 1120735, 1569029, 7845145]

約数ペア:

[(1, 7845145), (5, 1569029), (7, 1120735), (11, 713195), (35, 224147), (41, 191345), (49, 160105), (55, 142639), (71, 110495), (77, 101885), (205, 38269), (245, 32021), (287, 27335), (355, 22099), (385, 20377), (451, 17395), (497, 15785), (539, 14555), (781, 10045), (1435, 5467), (2009, 3905), (2255, 3479), (2485, 3157), (2695, 2911)]