213566864

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 485968896

約数和(自身を除く): 272402032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 107, 112, 142, 214, 251, 284, 428, 497, 502, 568, 749, 856, 994, 1004, 1136, 1498, 1712, 1757, 1988, 2008, 2996, 3514, 3976, 4016, 5992, 7028, 7597, 7952, 11984, 14056, 15194, 17821, 26857, 28112, 30388, 35642, 53179, 53714, 60776, 71284, 106358, 107428, 121552, 124747, 142568, 187999, 212716, 214856, 249494, 285136, 375998, 425432, 429712, 498988, 751996, 850864, 997976, 1503992, 1906847, 1995952, 3007984, 3813694, 7627388, 13347929, 15254776, 26695858, 30509552, 53391716, 106783432, 213566864]

約数ペア:

[(1, 213566864), (2, 106783432), (4, 53391716), (7, 30509552), (8, 26695858), (14, 15254776), (16, 13347929), (28, 7627388), (56, 3813694), (71, 3007984), (107, 1995952), (112, 1906847), (142, 1503992), (214, 997976), (251, 850864), (284, 751996), (428, 498988), (497, 429712), (502, 425432), (568, 375998), (749, 285136), (856, 249494), (994, 214856), (1004, 212716), (1136, 187999), (1498, 142568), (1712, 124747), (1757, 121552), (1988, 107428), (2008, 106358), (2996, 71284), (3514, 60776), (3976, 53714), (4016, 53179), (5992, 35642), (7028, 30388), (7597, 28112), (7952, 26857), (11984, 17821), (14056, 15194)]