211567888

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2077

約数の個数: 80

約数和(自身を含む): 503440000

約数和(自身を除く): 291872112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 392, 532, 686, 784, 931, 1064, 1372, 1862, 2029, 2128, 2744, 3724, 4058, 5488, 6517, 7448, 8116, 13034, 14203, 14896, 16232, 26068, 28406, 32464, 38551, 52136, 56812, 77102, 99421, 104272, 113624, 154204, 198842, 227248, 269857, 308408, 397684, 539714, 616816, 695947, 795368, 1079428, 1391894, 1590736, 1888999, 2158856, 2783788, 3777998, 4317712, 5567576, 7555996, 11135152, 13222993, 15111992, 26445986, 30223984, 52891972, 105783944, 211567888]

約数ペア:

[(1, 211567888), (2, 105783944), (4, 52891972), (7, 30223984), (8, 26445986), (14, 15111992), (16, 13222993), (19, 11135152), (28, 7555996), (38, 5567576), (49, 4317712), (56, 3777998), (76, 2783788), (98, 2158856), (112, 1888999), (133, 1590736), (152, 1391894), (196, 1079428), (266, 795368), (304, 695947), (343, 616816), (392, 539714), (532, 397684), (686, 308408), (784, 269857), (931, 227248), (1064, 198842), (1372, 154204), (1862, 113624), (2029, 104272), (2128, 99421), (2744, 77102), (3724, 56812), (4058, 52136), (5488, 38551), (6517, 32464), (7448, 28406), (8116, 26068), (13034, 16232), (14203, 14896)]