655087244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2857}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 1382814720

約数和(自身を除く): 727727476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 431, 532, 862, 1724, 2857, 3017, 5714, 6034, 8189, 11428, 12068, 16378, 19999, 32756, 39998, 54283, 57323, 79996, 108566, 114646, 217132, 229292, 379981, 759962, 1231367, 1519924, 2462734, 4925468, 8619569, 17239138, 23395973, 34478276, 46791946, 93583892, 163771811, 327543622, 655087244]

約数ペア:

[(1, 655087244), (2, 327543622), (4, 163771811), (7, 93583892), (14, 46791946), (19, 34478276), (28, 23395973), (38, 17239138), (76, 8619569), (133, 4925468), (266, 2462734), (431, 1519924), (532, 1231367), (862, 759962), (1724, 379981), (2857, 229292), (3017, 217132), (5714, 114646), (6034, 108566), (8189, 79996), (11428, 57323), (12068, 54283), (16378, 39998), (19999, 32756)]