678793086

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{971}}^1$

素因数の和:1597

約数の個数: 48

約数和(自身を含む): 1495698048

約数和(自身を除く): 816904962

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 547, 639, 971, 1094, 1278, 1641, 1942, 2913, 3282, 4923, 5826, 8739, 9846, 17478, 38837, 68941, 77674, 116511, 137882, 206823, 233022, 349533, 413646, 531137, 620469, 699066, 1062274, 1240938, 1593411, 3186822, 4780233, 9560466, 37710727, 75421454, 113132181, 226264362, 339396543, 678793086]

約数ペア:

[(1, 678793086), (2, 339396543), (3, 226264362), (6, 113132181), (9, 75421454), (18, 37710727), (71, 9560466), (142, 4780233), (213, 3186822), (426, 1593411), (547, 1240938), (639, 1062274), (971, 699066), (1094, 620469), (1278, 531137), (1641, 413646), (1942, 349533), (2913, 233022), (3282, 206823), (4923, 137882), (5826, 116511), (8739, 77674), (9846, 68941), (17478, 38837)]