27983788

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 57879360

約数和(自身を除く): 29895572

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 109, 173, 212, 218, 346, 371, 436, 692, 742, 763, 1211, 1484, 1526, 2422, 3052, 4844, 5777, 9169, 11554, 18338, 18857, 23108, 36676, 37714, 40439, 64183, 75428, 80878, 128366, 131999, 161756, 256732, 263998, 527996, 999421, 1998842, 3997684, 6995947, 13991894, 27983788]

約数ペア:

[(1, 27983788), (2, 13991894), (4, 6995947), (7, 3997684), (14, 1998842), (28, 999421), (53, 527996), (106, 263998), (109, 256732), (173, 161756), (212, 131999), (218, 128366), (346, 80878), (371, 75428), (436, 64183), (692, 40439), (742, 37714), (763, 36676), (1211, 23108), (1484, 18857), (1526, 18338), (2422, 11554), (3052, 9169), (4844, 5777)]