28328916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 90832896

約数和(自身を除く): 62503980

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 31, 33, 42, 43, 44, 46, 62, 66, 69, 77, 84, 86, 92, 93, 124, 129, 132, 138, 154, 161, 172, 186, 217, 231, 253, 258, 276, 301, 308, 322, 341, 372, 434, 462, 473, 483, 506, 516, 602, 644, 651, 682, 713, 759, 868, 903, 924, 946, 966, 989, 1012, 1023, 1204, 1302, 1333, 1364, 1419, 1426, 1518, 1771, 1806, 1892, 1932, 1978, 2046, 2139, 2387, 2604, 2666, 2838, 2852, 2967, 3036, 3311, 3542, 3612, 3956, 3999, 4092, 4278, 4774, 4991, 5313, 5332, 5676, 5934, 6622, 6923, 7084, 7161, 7843, 7998, 8556, 9331, 9548, 9933, 9982, 10626, 10879, 11868, 13244, 13846, 14322, 14663, 14973, 15686, 15996, 18662, 19866, 19964, 20769, 21252, 21758, 23529, 27692, 27993, 28644, 29326, 29946, 30659, 31372, 32637, 37324, 39732, 41538, 43516, 43989, 47058, 54901, 55986, 58652, 59892, 61318, 65274, 76153, 83076, 87978, 91977, 94116, 102641, 109802, 111972, 122636, 130548, 152306, 164703, 175956, 183954, 205282, 214613, 219604, 228459, 304612, 307923, 329406, 337249, 367908, 410564, 429226, 456918, 615846, 643839, 658812, 674498, 858452, 913836, 1011747, 1231692, 1287678, 1348996, 2023494, 2360743, 2575356, 4046988, 4721486, 7082229, 9442972, 14164458, 28328916]

約数ペア:

[(1, 28328916), (2, 14164458), (3, 9442972), (4, 7082229), (6, 4721486), (7, 4046988), (11, 2575356), (12, 2360743), (14, 2023494), (21, 1348996), (22, 1287678), (23, 1231692), (28, 1011747), (31, 913836), (33, 858452), (42, 674498), (43, 658812), (44, 643839), (46, 615846), (62, 456918), (66, 429226), (69, 410564), (77, 367908), (84, 337249), (86, 329406), (92, 307923), (93, 304612), (124, 228459), (129, 219604), (132, 214613), (138, 205282), (154, 183954), (161, 175956), (172, 164703), (186, 152306), (217, 130548), (231, 122636), (253, 111972), (258, 109802), (276, 102641), (301, 94116), (308, 91977), (322, 87978), (341, 83076), (372, 76153), (434, 65274), (462, 61318), (473, 59892), (483, 58652), (506, 55986), (516, 54901), (602, 47058), (644, 43989), (651, 43516), (682, 41538), (713, 39732), (759, 37324), (868, 32637), (903, 31372), (924, 30659), (946, 29946), (966, 29326), (989, 28644), (1012, 27993), (1023, 27692), (1204, 23529), (1302, 21758), (1333, 21252), (1364, 20769), (1419, 19964), (1426, 19866), (1518, 18662), (1771, 15996), (1806, 15686), (1892, 14973), (1932, 14663), (1978, 14322), (2046, 13846), (2139, 13244), (2387, 11868), (2604, 10879), (2666, 10626), (2838, 9982), (2852, 9933), (2967, 9548), (3036, 9331), (3311, 8556), (3542, 7998), (3612, 7843), (3956, 7161), (3999, 7084), (4092, 6923), (4278, 6622), (4774, 5934), (4991, 5676), (5313, 5332)]