666790656

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4058

約数の個数: 144

約数和(自身を含む): 2094102528

約数和(自身を除く): 1427311872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 651, 672, 744, 768, 868, 896, 992, 1302, 1344, 1488, 1736, 1792, 1984, 2604, 2688, 2976, 3472, 3968, 4001, 5208, 5376, 5952, 6944, 7936, 8002, 10416, 11904, 12003, 13888, 16004, 20832, 23808, 24006, 27776, 28007, 32008, 41664, 48012, 55552, 56014, 64016, 83328, 84021, 96024, 112028, 124031, 128032, 166656, 168042, 192048, 224056, 248062, 256064, 336084, 372093, 384096, 448112, 496124, 512128, 672168, 744186, 768192, 868217, 896224, 992248, 1024256, 1344336, 1488372, 1536384, 1736434, 1792448, 1984496, 2604651, 2688672, 2976744, 3072768, 3472868, 3584896, 3968992, 5209302, 5377344, 5953488, 6945736, 7169792, 7937984, 10418604, 10754688, 11906976, 13891472, 15875968, 20837208, 21509376, 23813952, 27782944, 31751936, 41674416, 47627904, 55565888, 83348832, 95255808, 111131776, 166697664, 222263552, 333395328, 666790656]

約数ペア:

[(1, 666790656), (2, 333395328), (3, 222263552), (4, 166697664), (6, 111131776), (7, 95255808), (8, 83348832), (12, 55565888), (14, 47627904), (16, 41674416), (21, 31751936), (24, 27782944), (28, 23813952), (31, 21509376), (32, 20837208), (42, 15875968), (48, 13891472), (56, 11906976), (62, 10754688), (64, 10418604), (84, 7937984), (93, 7169792), (96, 6945736), (112, 5953488), (124, 5377344), (128, 5209302), (168, 3968992), (186, 3584896), (192, 3472868), (217, 3072768), (224, 2976744), (248, 2688672), (256, 2604651), (336, 1984496), (372, 1792448), (384, 1736434), (434, 1536384), (448, 1488372), (496, 1344336), (651, 1024256), (672, 992248), (744, 896224), (768, 868217), (868, 768192), (896, 744186), (992, 672168), (1302, 512128), (1344, 496124), (1488, 448112), (1736, 384096), (1792, 372093), (1984, 336084), (2604, 256064), (2688, 248062), (2976, 224056), (3472, 192048), (3968, 168042), (4001, 166656), (5208, 128032), (5376, 124031), (5952, 112028), (6944, 96024), (7936, 84021), (8002, 83328), (10416, 64016), (11904, 56014), (12003, 55552), (13888, 48012), (16004, 41664), (20832, 32008), (23808, 28007), (24006, 27776)]