257935872

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{5417}}^1$

素因数の和:5469

約数の個数: 80

約数和(自身を含む): 709454592

約数和(自身を除く): 451518720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1488, 1536, 1984, 2976, 3968, 5417, 5952, 7936, 10834, 11904, 15872, 16251, 21668, 23808, 32502, 43336, 47616, 65004, 86672, 130008, 167927, 173344, 260016, 335854, 346688, 503781, 520032, 671708, 693376, 1007562, 1040064, 1343416, 1386752, 2015124, 2080128, 2686832, 2773504, 4030248, 4160256, 5373664, 8060496, 8320512, 10747328, 16120992, 21494656, 32241984, 42989312, 64483968, 85978624, 128967936, 257935872]

約数ペア:

[(1, 257935872), (2, 128967936), (3, 85978624), (4, 64483968), (6, 42989312), (8, 32241984), (12, 21494656), (16, 16120992), (24, 10747328), (31, 8320512), (32, 8060496), (48, 5373664), (62, 4160256), (64, 4030248), (93, 2773504), (96, 2686832), (124, 2080128), (128, 2015124), (186, 1386752), (192, 1343416), (248, 1040064), (256, 1007562), (372, 693376), (384, 671708), (496, 520032), (512, 503781), (744, 346688), (768, 335854), (992, 260016), (1488, 173344), (1536, 167927), (1984, 130008), (2976, 86672), (3968, 65004), (5417, 47616), (5952, 43336), (7936, 32502), (10834, 23808), (11904, 21668), (15872, 16251)]