128304008

素因数分解:

$2^3\times 7^1\times {\mathrm{2291143}}^1$

素因数の和:2291156

約数の個数: 16

約数和(自身を含む): 274937280

約数和(自身を除く): 146633272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2291143, 4582286, 9164572, 16038001, 18329144, 32076002, 64152004, 128304008]

約数ペア:

[(1, 128304008), (2, 64152004), (4, 32076002), (7, 18329144), (8, 16038001), (14, 9164572), (28, 4582286), (56, 2291143)]