27129788

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 30178372

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 103, 161, 206, 322, 409, 412, 644, 721, 818, 1442, 1636, 2369, 2863, 2884, 4738, 5726, 9407, 9476, 11452, 16583, 18814, 33166, 37628, 42127, 65849, 66332, 84254, 131698, 168508, 263396, 294889, 589778, 968921, 1179556, 1937842, 3875684, 6782447, 13564894, 27129788]

約数ペア:

[(1, 27129788), (2, 13564894), (4, 6782447), (7, 3875684), (14, 1937842), (23, 1179556), (28, 968921), (46, 589778), (92, 294889), (103, 263396), (161, 168508), (206, 131698), (322, 84254), (409, 66332), (412, 65849), (644, 42127), (721, 37628), (818, 33166), (1442, 18814), (1636, 16583), (2369, 11452), (2863, 9476), (2884, 9407), (4738, 5726)]