66889768

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 141150240

約数和(自身を除く): 74260472

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1607, 1892, 3214, 3784, 5203, 6428, 10406, 12856, 17677, 20812, 35354, 41624, 69101, 70708, 138202, 141416, 194447, 276404, 388894, 552808, 760111, 777788, 1520222, 1555576, 3040444, 6080888, 8361221, 16722442, 33444884, 66889768]

約数ペア:

[(1, 66889768), (2, 33444884), (4, 16722442), (8, 8361221), (11, 6080888), (22, 3040444), (43, 1555576), (44, 1520222), (86, 777788), (88, 760111), (121, 552808), (172, 388894), (242, 276404), (344, 194447), (473, 141416), (484, 138202), (946, 70708), (968, 69101), (1607, 41624), (1892, 35354), (3214, 20812), (3784, 17677), (5203, 12856), (6428, 10406)]