297696784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1997}}^1$

素因数の和:2045

約数の個数: 80

約数和(自身を含む): 725417856

約数和(自身を除く): 427721072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1331, 1694, 1936, 1997, 2662, 3388, 3994, 5324, 6776, 7988, 9317, 10648, 13552, 13979, 15976, 18634, 21296, 21967, 27958, 31952, 37268, 43934, 55916, 74536, 87868, 111832, 149072, 153769, 175736, 223664, 241637, 307538, 351472, 483274, 615076, 966548, 1230152, 1691459, 1933096, 2460304, 2658007, 3382918, 3866192, 5316014, 6765836, 10632028, 13531672, 18606049, 21264056, 27063344, 37212098, 42528112, 74424196, 148848392, 297696784]

約数ペア:

[(1, 297696784), (2, 148848392), (4, 74424196), (7, 42528112), (8, 37212098), (11, 27063344), (14, 21264056), (16, 18606049), (22, 13531672), (28, 10632028), (44, 6765836), (56, 5316014), (77, 3866192), (88, 3382918), (112, 2658007), (121, 2460304), (154, 1933096), (176, 1691459), (242, 1230152), (308, 966548), (484, 615076), (616, 483274), (847, 351472), (968, 307538), (1232, 241637), (1331, 223664), (1694, 175736), (1936, 153769), (1997, 149072), (2662, 111832), (3388, 87868), (3994, 74536), (5324, 55916), (6776, 43934), (7988, 37268), (9317, 31952), (10648, 27958), (13552, 21967), (13979, 21296), (15976, 18634)]