257130368

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 594570240

約数和(自身を除く): 337439872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 43, 44, 62, 64, 86, 88, 124, 128, 137, 172, 176, 248, 274, 341, 344, 352, 473, 496, 548, 682, 688, 704, 946, 992, 1096, 1333, 1364, 1376, 1408, 1507, 1892, 1984, 2192, 2666, 2728, 2752, 3014, 3784, 3968, 4247, 4384, 5332, 5456, 5504, 5891, 6028, 7568, 8494, 8768, 10664, 10912, 11782, 12056, 14663, 15136, 16988, 17536, 21328, 21824, 23564, 24112, 29326, 30272, 33976, 42656, 43648, 46717, 47128, 48224, 58652, 60544, 64801, 67952, 85312, 93434, 94256, 96448, 117304, 129602, 135904, 170624, 182621, 186868, 188512, 192896, 234608, 259204, 271808, 365242, 373736, 377024, 469216, 518408, 543616, 730484, 747472, 754048, 938432, 1036816, 1460968, 1494944, 1876864, 2008831, 2073632, 2921936, 2989888, 4017662, 4147264, 5843872, 5979776, 8035324, 8294528, 11687744, 16070648, 23375488, 32141296, 64282592, 128565184, 257130368]

約数ペア:

[(1, 257130368), (2, 128565184), (4, 64282592), (8, 32141296), (11, 23375488), (16, 16070648), (22, 11687744), (31, 8294528), (32, 8035324), (43, 5979776), (44, 5843872), (62, 4147264), (64, 4017662), (86, 2989888), (88, 2921936), (124, 2073632), (128, 2008831), (137, 1876864), (172, 1494944), (176, 1460968), (248, 1036816), (274, 938432), (341, 754048), (344, 747472), (352, 730484), (473, 543616), (496, 518408), (548, 469216), (682, 377024), (688, 373736), (704, 365242), (946, 271808), (992, 259204), (1096, 234608), (1333, 192896), (1364, 188512), (1376, 186868), (1408, 182621), (1507, 170624), (1892, 135904), (1984, 129602), (2192, 117304), (2666, 96448), (2728, 94256), (2752, 93434), (3014, 85312), (3784, 67952), (3968, 64801), (4247, 60544), (4384, 58652), (5332, 48224), (5456, 47128), (5504, 46717), (5891, 43648), (6028, 42656), (7568, 33976), (8494, 30272), (8768, 29326), (10664, 24112), (10912, 23564), (11782, 21824), (12056, 21328), (14663, 17536), (15136, 16988)]