28287378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 75119616

約数和(自身を除く): 46832238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 43, 46, 63, 69, 86, 126, 129, 138, 161, 207, 227, 258, 301, 322, 387, 414, 454, 483, 602, 681, 774, 903, 966, 989, 1362, 1449, 1589, 1806, 1978, 2043, 2709, 2898, 2967, 3178, 4086, 4767, 5221, 5418, 5934, 6923, 8901, 9534, 9761, 10442, 13846, 14301, 15663, 17802, 19522, 20769, 28602, 29283, 31326, 36547, 41538, 46989, 58566, 62307, 68327, 73094, 87849, 93978, 109641, 124614, 136654, 175698, 204981, 219282, 224503, 328923, 409962, 449006, 614943, 657846, 673509, 1229886, 1347018, 1571521, 2020527, 3143042, 4041054, 4714563, 9429126, 14143689, 28287378]

約数ペア:

[(1, 28287378), (2, 14143689), (3, 9429126), (6, 4714563), (7, 4041054), (9, 3143042), (14, 2020527), (18, 1571521), (21, 1347018), (23, 1229886), (42, 673509), (43, 657846), (46, 614943), (63, 449006), (69, 409962), (86, 328923), (126, 224503), (129, 219282), (138, 204981), (161, 175698), (207, 136654), (227, 124614), (258, 109641), (301, 93978), (322, 87849), (387, 73094), (414, 68327), (454, 62307), (483, 58566), (602, 46989), (681, 41538), (774, 36547), (903, 31326), (966, 29283), (989, 28602), (1362, 20769), (1449, 19522), (1589, 17802), (1806, 15663), (1978, 14301), (2043, 13846), (2709, 10442), (2898, 9761), (2967, 9534), (3178, 8901), (4086, 6923), (4767, 5934), (5221, 5418)]