128563792

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67523}}^1$

素因数の和:67555

約数の個数: 40

約数和(自身を含む): 301427136

約数和(自身を除く): 172863344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 67523, 135046, 270092, 472661, 540184, 945322, 1080368, 1147891, 1890644, 2295782, 3781288, 4591564, 7562576, 8035237, 9183128, 16070474, 18366256, 32140948, 64281896, 128563792]

約数ペア:

[(1, 128563792), (2, 64281896), (4, 32140948), (7, 18366256), (8, 16070474), (14, 9183128), (16, 8035237), (17, 7562576), (28, 4591564), (34, 3781288), (56, 2295782), (68, 1890644), (112, 1147891), (119, 1080368), (136, 945322), (238, 540184), (272, 472661), (476, 270092), (952, 135046), (1904, 67523)]