27990248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 63201600

約数和(自身を除く): 35211352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 473, 559, 569, 572, 946, 1118, 1138, 1144, 1892, 2236, 2276, 3784, 4472, 4552, 6149, 6259, 7397, 12298, 12518, 14794, 24467, 24596, 25036, 29588, 48934, 49192, 50072, 59176, 81367, 97868, 162734, 195736, 269137, 318071, 325468, 538274, 636142, 650936, 1076548, 1272284, 2153096, 2544568, 3498781, 6997562, 13995124, 27990248]

約数ペア:

[(1, 27990248), (2, 13995124), (4, 6997562), (8, 3498781), (11, 2544568), (13, 2153096), (22, 1272284), (26, 1076548), (43, 650936), (44, 636142), (52, 538274), (86, 325468), (88, 318071), (104, 269137), (143, 195736), (172, 162734), (286, 97868), (344, 81367), (473, 59176), (559, 50072), (569, 49192), (572, 48934), (946, 29588), (1118, 25036), (1138, 24596), (1144, 24467), (1892, 14794), (2236, 12518), (2276, 12298), (3784, 7397), (4472, 6259), (4552, 6149)]