387963772

素因数分解:

$2^2\times 7^2\times {\mathrm{719}}^1\times {\mathrm{2753}}^1$

素因数の和:3490

約数の個数: 36

約数和(自身を含む): 791169120

約数和(自身を除く): 403205348

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 719, 1438, 2753, 2876, 5033, 5506, 10066, 11012, 19271, 20132, 35231, 38542, 70462, 77084, 134897, 140924, 269794, 539588, 1979407, 3958814, 7917628, 13855849, 27711698, 55423396, 96990943, 193981886, 387963772]

約数ペア:

[(1, 387963772), (2, 193981886), (4, 96990943), (7, 55423396), (14, 27711698), (28, 13855849), (49, 7917628), (98, 3958814), (196, 1979407), (719, 539588), (1438, 269794), (2753, 140924), (2876, 134897), (5033, 77084), (5506, 70462), (10066, 38542), (11012, 35231), (19271, 20132)]