128263128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{763471}}^1$

素因数の和:763487

約数の個数: 32

約数和(自身を含む): 366466560

約数和(自身を除く): 238203432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 763471, 1526942, 2290413, 3053884, 4580826, 5344297, 6107768, 9161652, 10688594, 16032891, 18323304, 21377188, 32065782, 42754376, 64131564, 128263128]

約数ペア:

[(1, 128263128), (2, 64131564), (3, 42754376), (4, 32065782), (6, 21377188), (7, 18323304), (8, 16032891), (12, 10688594), (14, 9161652), (21, 6107768), (24, 5344297), (28, 4580826), (42, 3053884), (56, 2290413), (84, 1526942), (168, 763471)]