2116730128

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{514769}}^1$

素因数の和:515034

約数の個数: 20

約数和(自身を含む): 4117130460

約数和(自身を除く): 2000400332

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 514769, 1029538, 2059076, 4118152, 8236304, 132295633, 264591266, 529182532, 1058365064, 2116730128]

約数ペア:

[(1, 2116730128), (2, 1058365064), (4, 529182532), (8, 264591266), (16, 132295633), (257, 8236304), (514, 4118152), (1028, 2059076), (2056, 1029538), (4112, 514769)]