128564238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 290822400

約数和(自身を除く): 162258162

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 89, 129, 178, 258, 267, 473, 509, 534, 946, 979, 1018, 1419, 1527, 1958, 2838, 2937, 3054, 3827, 5599, 5874, 7654, 11198, 11481, 16797, 21887, 22962, 33594, 42097, 43774, 45301, 65661, 84194, 90602, 126291, 131322, 135903, 240757, 252582, 271806, 481514, 498311, 722271, 996622, 1444542, 1494933, 1947943, 2989866, 3895886, 5843829, 11687658, 21427373, 42854746, 64282119, 128564238]

約数ペア:

[(1, 128564238), (2, 64282119), (3, 42854746), (6, 21427373), (11, 11687658), (22, 5843829), (33, 3895886), (43, 2989866), (66, 1947943), (86, 1494933), (89, 1444542), (129, 996622), (178, 722271), (258, 498311), (267, 481514), (473, 271806), (509, 252582), (534, 240757), (946, 135903), (979, 131322), (1018, 126291), (1419, 90602), (1527, 84194), (1958, 65661), (2838, 45301), (2937, 43774), (3054, 42097), (3827, 33594), (5599, 22962), (5874, 21887), (7654, 16797), (11198, 11481)]