81468128

素因数分解:

$2^5\times 7^1\times {\mathrm{367}}^1\times {\mathrm{991}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 183988224

約数和(自身を除く): 102520096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 367, 734, 991, 1468, 1982, 2569, 2936, 3964, 5138, 5872, 6937, 7928, 10276, 11744, 13874, 15856, 20552, 27748, 31712, 41104, 55496, 82208, 110992, 221984, 363697, 727394, 1454788, 2545879, 2909576, 5091758, 5819152, 10183516, 11638304, 20367032, 40734064, 81468128]

約数ペア:

[(1, 81468128), (2, 40734064), (4, 20367032), (7, 11638304), (8, 10183516), (14, 5819152), (16, 5091758), (28, 2909576), (32, 2545879), (56, 1454788), (112, 727394), (224, 363697), (367, 221984), (734, 110992), (991, 82208), (1468, 55496), (1982, 41104), (2569, 31712), (2936, 27748), (3964, 20552), (5138, 15856), (5872, 13874), (6937, 11744), (7928, 10276)]