663936

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 128

約数和(自身を含む): 2284800

約数和(自身を除く): 1620864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 52, 56, 57, 64, 76, 78, 84, 91, 96, 104, 112, 114, 128, 133, 152, 156, 168, 182, 192, 208, 224, 228, 247, 266, 273, 304, 312, 336, 364, 384, 399, 416, 448, 456, 494, 532, 546, 608, 624, 672, 728, 741, 798, 832, 896, 912, 988, 1064, 1092, 1216, 1248, 1344, 1456, 1482, 1596, 1664, 1729, 1824, 1976, 2128, 2184, 2432, 2496, 2688, 2912, 2964, 3192, 3458, 3648, 3952, 4256, 4368, 4992, 5187, 5824, 5928, 6384, 6916, 7296, 7904, 8512, 8736, 10374, 11648, 11856, 12768, 13832, 15808, 17024, 17472, 20748, 23712, 25536, 27664, 31616, 34944, 41496, 47424, 51072, 55328, 82992, 94848, 110656, 165984, 221312, 331968, 663936]

約数ペア:

[(1, 663936), (2, 331968), (3, 221312), (4, 165984), (6, 110656), (7, 94848), (8, 82992), (12, 55328), (13, 51072), (14, 47424), (16, 41496), (19, 34944), (21, 31616), (24, 27664), (26, 25536), (28, 23712), (32, 20748), (38, 17472), (39, 17024), (42, 15808), (48, 13832), (52, 12768), (56, 11856), (57, 11648), (64, 10374), (76, 8736), (78, 8512), (84, 7904), (91, 7296), (96, 6916), (104, 6384), (112, 5928), (114, 5824), (128, 5187), (133, 4992), (152, 4368), (156, 4256), (168, 3952), (182, 3648), (192, 3458), (208, 3192), (224, 2964), (228, 2912), (247, 2688), (266, 2496), (273, 2432), (304, 2184), (312, 2128), (336, 1976), (364, 1824), (384, 1729), (399, 1664), (416, 1596), (448, 1482), (456, 1456), (494, 1344), (532, 1248), (546, 1216), (608, 1092), (624, 1064), (672, 988), (728, 912), (741, 896), (798, 832)]