128167864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{33871}}^1$

素因数の和:33931

約数の個数: 32

約数和(自身を含む): 268266240

約数和(自身を除く): 140098376

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 33871, 67742, 135484, 270968, 372581, 745162, 1456453, 1490324, 2912906, 2980648, 5825812, 11651624, 16020983, 32041966, 64083932, 128167864]

約数ペア:

[(1, 128167864), (2, 64083932), (4, 32041966), (8, 16020983), (11, 11651624), (22, 5825812), (43, 2980648), (44, 2912906), (86, 1490324), (88, 1456453), (172, 745162), (344, 372581), (473, 270968), (946, 135484), (1892, 67742), (3784, 33871)]