28795564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 32490836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 113, 133, 226, 266, 452, 479, 532, 791, 958, 1582, 1916, 2147, 3164, 3353, 4294, 6706, 8588, 9101, 13412, 15029, 18202, 30058, 36404, 54127, 60116, 63707, 108254, 127414, 216508, 254828, 378889, 757778, 1028413, 1515556, 2056826, 4113652, 7198891, 14397782, 28795564]

約数ペア:

[(1, 28795564), (2, 14397782), (4, 7198891), (7, 4113652), (14, 2056826), (19, 1515556), (28, 1028413), (38, 757778), (76, 378889), (113, 254828), (133, 216508), (226, 127414), (266, 108254), (452, 63707), (479, 60116), (532, 54127), (791, 36404), (958, 30058), (1582, 18202), (1916, 15029), (2147, 13412), (3164, 9101), (3353, 8588), (4294, 6706)]