12939395

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 18579456

約数和(自身を除く): 5640061

約数列:

[1, 5, 7, 35, 41, 71, 127, 205, 287, 355, 497, 635, 889, 1435, 2485, 2911, 4445, 5207, 9017, 14555, 20377, 26035, 36449, 45085, 63119, 101885, 182245, 315595, 369697, 1848485, 2587879, 12939395]

約数ペア:

[(1, 12939395), (5, 2587879), (7, 1848485), (35, 369697), (41, 315595), (71, 182245), (127, 101885), (205, 63119), (287, 45085), (355, 36449), (497, 26035), (635, 20377), (889, 14555), (1435, 9017), (2485, 5207), (2911, 4445)]