28529788

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 58834944

約数和(自身を除く): 30305156

約数列:

[1, 2, 4, 7, 14, 28, 71, 113, 127, 142, 226, 254, 284, 452, 497, 508, 791, 889, 994, 1582, 1778, 1988, 3164, 3556, 8023, 9017, 14351, 16046, 18034, 28702, 32092, 36068, 56161, 57404, 63119, 100457, 112322, 126238, 200914, 224644, 252476, 401828, 1018921, 2037842, 4075684, 7132447, 14264894, 28529788]

約数ペア:

[(1, 28529788), (2, 14264894), (4, 7132447), (7, 4075684), (14, 2037842), (28, 1018921), (71, 401828), (113, 252476), (127, 224644), (142, 200914), (226, 126238), (254, 112322), (284, 100457), (452, 63119), (497, 57404), (508, 56161), (791, 36068), (889, 32092), (994, 28702), (1582, 18034), (1778, 16046), (1988, 14351), (3164, 9017), (3556, 8023)]