213220764

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5479}}^1$

素因数の和:5559

約数の個数: 72

約数和(自身を含む): 574479360

約数和(自身を除く): 361258596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 564, 828, 846, 1081, 1692, 2162, 3243, 4324, 5479, 6486, 9729, 10958, 12972, 16437, 19458, 21916, 32874, 38916, 49311, 65748, 98622, 126017, 197244, 252034, 257513, 378051, 504068, 515026, 756102, 772539, 1030052, 1134153, 1512204, 1545078, 2268306, 2317617, 3090156, 4536612, 4635234, 5922799, 9270468, 11845598, 17768397, 23691196, 35536794, 53305191, 71073588, 106610382, 213220764]

約数ペア:

[(1, 213220764), (2, 106610382), (3, 71073588), (4, 53305191), (6, 35536794), (9, 23691196), (12, 17768397), (18, 11845598), (23, 9270468), (36, 5922799), (46, 4635234), (47, 4536612), (69, 3090156), (92, 2317617), (94, 2268306), (138, 1545078), (141, 1512204), (188, 1134153), (207, 1030052), (276, 772539), (282, 756102), (414, 515026), (423, 504068), (564, 378051), (828, 257513), (846, 252034), (1081, 197244), (1692, 126017), (2162, 98622), (3243, 65748), (4324, 49311), (5479, 38916), (6486, 32874), (9729, 21916), (10958, 19458), (12972, 16437)]