128178484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{503}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 270950400

約数和(自身を除く): 142771916

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 479, 503, 532, 958, 1006, 1916, 2012, 3353, 3521, 6706, 7042, 9101, 9557, 13412, 14084, 18202, 19114, 36404, 38228, 63707, 66899, 127414, 133798, 240937, 254828, 267596, 481874, 963748, 1686559, 3373118, 4577803, 6746236, 9155606, 18311212, 32044621, 64089242, 128178484]

約数ペア:

[(1, 128178484), (2, 64089242), (4, 32044621), (7, 18311212), (14, 9155606), (19, 6746236), (28, 4577803), (38, 3373118), (76, 1686559), (133, 963748), (266, 481874), (479, 267596), (503, 254828), (532, 240937), (958, 133798), (1006, 127414), (1916, 66899), (2012, 63707), (3353, 38228), (3521, 36404), (6706, 19114), (7042, 18202), (9101, 14084), (9557, 13412)]