127768328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2297}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 254388600

約数和(自身を除く): 126620272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 409, 818, 1636, 2297, 3272, 4594, 6953, 9188, 13906, 18376, 27812, 39049, 55624, 78098, 156196, 312392, 939473, 1878946, 3757892, 7515784, 15971041, 31942082, 63884164, 127768328]

約数ペア:

[(1, 127768328), (2, 63884164), (4, 31942082), (8, 15971041), (17, 7515784), (34, 3757892), (68, 1878946), (136, 939473), (409, 312392), (818, 156196), (1636, 78098), (2297, 55624), (3272, 39049), (4594, 27812), (6953, 18376), (9188, 13906)]