128878792

素因数分解:

$2^3\times 7^1\times {\mathrm{2301407}}^1$

素因数の和:2301420

約数の個数: 16

約数和(自身を含む): 276168960

約数和(自身を除く): 147290168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2301407, 4602814, 9205628, 16109849, 18411256, 32219698, 64439396, 128878792]

約数ペア:

[(1, 128878792), (2, 64439396), (4, 32219698), (7, 18411256), (8, 16109849), (14, 9205628), (28, 4602814), (56, 2301407)]