128618874

素因数分解:

$2^1\times 3^3\times {\mathrm{199}}^1\times {\mathrm{11969}}^1$

素因数の和:12179

約数の個数: 32

約数和(自身を含む): 287280000

約数和(自身を除く): 158661126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 199, 398, 597, 1194, 1791, 3582, 5373, 10746, 11969, 23938, 35907, 71814, 107721, 215442, 323163, 646326, 2381831, 4763662, 7145493, 14290986, 21436479, 42872958, 64309437, 128618874]

約数ペア:

[(1, 128618874), (2, 64309437), (3, 42872958), (6, 21436479), (9, 14290986), (18, 7145493), (27, 4763662), (54, 2381831), (199, 646326), (398, 323163), (597, 215442), (1194, 107721), (1791, 71814), (3582, 35907), (5373, 23938), (10746, 11969)]