287383712

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 144

約数和(自身を含む): 743250816

約数和(自身を除く): 455867104

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 77, 88, 92, 112, 121, 154, 161, 176, 184, 224, 242, 253, 308, 322, 352, 368, 461, 484, 506, 616, 644, 736, 847, 922, 968, 1012, 1232, 1288, 1694, 1771, 1844, 1936, 2024, 2464, 2576, 2783, 3227, 3388, 3542, 3688, 3872, 4048, 5071, 5152, 5566, 6454, 6776, 7084, 7376, 8096, 10142, 10603, 11132, 12908, 13552, 14168, 14752, 19481, 20284, 21206, 22264, 25816, 27104, 28336, 35497, 38962, 40568, 42412, 44528, 51632, 55781, 56672, 70994, 74221, 77924, 81136, 84824, 89056, 103264, 111562, 116633, 141988, 148442, 155848, 162272, 169648, 223124, 233266, 283976, 296884, 311696, 339296, 390467, 446248, 466532, 567952, 593768, 623392, 780934, 816431, 892496, 933064, 1135904, 1187536, 1282963, 1561868, 1632862, 1784992, 1866128, 2375072, 2565926, 3123736, 3265724, 3732256, 5131852, 6247472, 6531448, 8980741, 10263704, 12494944, 13062896, 17961482, 20527408, 26125792, 35922964, 41054816, 71845928, 143691856, 287383712]

約数ペア:

[(1, 287383712), (2, 143691856), (4, 71845928), (7, 41054816), (8, 35922964), (11, 26125792), (14, 20527408), (16, 17961482), (22, 13062896), (23, 12494944), (28, 10263704), (32, 8980741), (44, 6531448), (46, 6247472), (56, 5131852), (77, 3732256), (88, 3265724), (92, 3123736), (112, 2565926), (121, 2375072), (154, 1866128), (161, 1784992), (176, 1632862), (184, 1561868), (224, 1282963), (242, 1187536), (253, 1135904), (308, 933064), (322, 892496), (352, 816431), (368, 780934), (461, 623392), (484, 593768), (506, 567952), (616, 466532), (644, 446248), (736, 390467), (847, 339296), (922, 311696), (968, 296884), (1012, 283976), (1232, 233266), (1288, 223124), (1694, 169648), (1771, 162272), (1844, 155848), (1936, 148442), (2024, 141988), (2464, 116633), (2576, 111562), (2783, 103264), (3227, 89056), (3388, 84824), (3542, 81136), (3688, 77924), (3872, 74221), (4048, 70994), (5071, 56672), (5152, 55781), (5566, 51632), (6454, 44528), (6776, 42412), (7084, 40568), (7376, 38962), (8096, 35497), (10142, 28336), (10603, 27104), (11132, 25816), (12908, 22264), (13552, 21206), (14168, 20284), (14752, 19481)]