128647568

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67567}}^1$

素因数の和:67599

約数の個数: 40

約数和(自身を含む): 301623552

約数和(自身を除く): 172975984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 67567, 135134, 270268, 472969, 540536, 945938, 1081072, 1148639, 1891876, 2297278, 3783752, 4594556, 7567504, 8040473, 9189112, 16080946, 18378224, 32161892, 64323784, 128647568]

約数ペア:

[(1, 128647568), (2, 64323784), (4, 32161892), (7, 18378224), (8, 16080946), (14, 9189112), (16, 8040473), (17, 7567504), (28, 4594556), (34, 3783752), (56, 2297278), (68, 1891876), (112, 1148639), (119, 1081072), (136, 945938), (238, 540536), (272, 472969), (476, 270268), (952, 135134), (1904, 67567)]