997490.0000000

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 21073920

約数和(自身を除く): 11526844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 223, 278, 308, 446, 556, 892, 973, 1529, 1561, 1946, 2453, 3058, 3122, 3892, 4906, 6116, 6244, 9812, 10703, 17171, 21406, 30997, 34342, 42812, 61994, 68684, 123988, 216979, 340967, 433958, 681934, 867916, 1363868, 2386769, 4773538, 9547076]

約数ペア:

[(1, 9547076), (2, 4773538), (4, 2386769), (7, 1363868), (11, 867916), (14, 681934), (22, 433958), (28, 340967), (44, 216979), (77, 123988), (139, 68684), (154, 61994), (223, 42812), (278, 34342), (308, 30997), (446, 21406), (556, 17171), (892, 10703), (973, 9812), (1529, 6244), (1561, 6116), (1946, 4906), (2453, 3892), (3058, 3122)]