128391752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{2039}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 255571200

約数和(自身を除く): 127179448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 463, 926, 1852, 2039, 3704, 4078, 7871, 8156, 15742, 16312, 31484, 34663, 62968, 69326, 138652, 277304, 944057, 1888114, 3776228, 7552456, 16048969, 32097938, 64195876, 128391752]

約数ペア:

[(1, 128391752), (2, 64195876), (4, 32097938), (8, 16048969), (17, 7552456), (34, 3776228), (68, 1888114), (136, 944057), (463, 277304), (926, 138652), (1852, 69326), (2039, 62968), (3704, 34663), (4078, 31484), (7871, 16312), (8156, 15742)]