28787598

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 73412352

約数和(自身を除く): 44624754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 254, 257, 294, 381, 441, 514, 762, 771, 882, 889, 1143, 1542, 1778, 1799, 2286, 2313, 2667, 3598, 4626, 5334, 5397, 6223, 8001, 10794, 12446, 12593, 16002, 16191, 18669, 25186, 32382, 32639, 37338, 37779, 56007, 65278, 75558, 97917, 112014, 113337, 195834, 226674, 228473, 293751, 456946, 587502, 685419, 1370838, 1599311, 2056257, 3198622, 4112514, 4797933, 9595866, 14393799, 28787598]

約数ペア:

[(1, 28787598), (2, 14393799), (3, 9595866), (6, 4797933), (7, 4112514), (9, 3198622), (14, 2056257), (18, 1599311), (21, 1370838), (42, 685419), (49, 587502), (63, 456946), (98, 293751), (126, 228473), (127, 226674), (147, 195834), (254, 113337), (257, 112014), (294, 97917), (381, 75558), (441, 65278), (514, 56007), (762, 37779), (771, 37338), (882, 32639), (889, 32382), (1143, 25186), (1542, 18669), (1778, 16191), (1799, 16002), (2286, 12593), (2313, 12446), (2667, 10794), (3598, 8001), (4626, 6223), (5334, 5397)]