66808216

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{42391}}^1$

素因数の和:42594

約数の個数: 16

約数和(自身を含む): 125904240

約数和(自身を除く): 59096024

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 42391, 84782, 169564, 339128, 8351027, 16702054, 33404108, 66808216]

約数ペア:

[(1, 66808216), (2, 33404108), (4, 16702054), (8, 8351027), (197, 339128), (394, 169564), (788, 84782), (1576, 42391)]