28290276

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1670

約数の個数: 96

約数和(自身を含む): 87521280

約数和(自身を除く): 59231004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 84, 92, 108, 126, 138, 161, 189, 207, 252, 276, 322, 378, 414, 483, 621, 644, 756, 828, 966, 1242, 1449, 1627, 1932, 2484, 2898, 3254, 4347, 4881, 5796, 6508, 8694, 9762, 11389, 14643, 17388, 19524, 22778, 29286, 34167, 37421, 43929, 45556, 58572, 68334, 74842, 87858, 102501, 112263, 136668, 149684, 175716, 205002, 224526, 261947, 307503, 336789, 410004, 449052, 523894, 615006, 673578, 785841, 1010367, 1047788, 1230012, 1347156, 1571682, 2020734, 2357523, 3143364, 4041468, 4715046, 7072569, 9430092, 14145138, 28290276]

約数ペア:

[(1, 28290276), (2, 14145138), (3, 9430092), (4, 7072569), (6, 4715046), (7, 4041468), (9, 3143364), (12, 2357523), (14, 2020734), (18, 1571682), (21, 1347156), (23, 1230012), (27, 1047788), (28, 1010367), (36, 785841), (42, 673578), (46, 615006), (54, 523894), (63, 449052), (69, 410004), (84, 336789), (92, 307503), (108, 261947), (126, 224526), (138, 205002), (161, 175716), (189, 149684), (207, 136668), (252, 112263), (276, 102501), (322, 87858), (378, 74842), (414, 68334), (483, 58572), (621, 45556), (644, 43929), (756, 37421), (828, 34167), (966, 29286), (1242, 22778), (1449, 19524), (1627, 17388), (1932, 14643), (2484, 11389), (2898, 9762), (3254, 8694), (4347, 6508), (4881, 5796)]