28292488

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 36714872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 113, 119, 136, 226, 238, 263, 452, 476, 526, 791, 904, 952, 1052, 1582, 1841, 1921, 2104, 3164, 3682, 3842, 4471, 6328, 7364, 7684, 8942, 13447, 14728, 15368, 17884, 26894, 29719, 31297, 35768, 53788, 59438, 62594, 107576, 118876, 125188, 208033, 237752, 250376, 416066, 505223, 832132, 1010446, 1664264, 2020892, 3536561, 4041784, 7073122, 14146244, 28292488]

約数ペア:

[(1, 28292488), (2, 14146244), (4, 7073122), (7, 4041784), (8, 3536561), (14, 2020892), (17, 1664264), (28, 1010446), (34, 832132), (56, 505223), (68, 416066), (113, 250376), (119, 237752), (136, 208033), (226, 125188), (238, 118876), (263, 107576), (452, 62594), (476, 59438), (526, 53788), (791, 35768), (904, 31297), (952, 29719), (1052, 26894), (1582, 17884), (1841, 15368), (1921, 14728), (2104, 13447), (3164, 8942), (3682, 7684), (3842, 7364), (4471, 6328)]