646647536

素因数分解:

$2^4\times {\mathrm{1871}}^1\times {\mathrm{21601}}^1$

素因数の和:23480

約数の個数: 20

約数和(自身を含む): 1253607264

約数和(自身を除く): 606959728

約数列:

[1, 2, 4, 8, 16, 1871, 3742, 7484, 14968, 21601, 29936, 43202, 86404, 172808, 345616, 40415471, 80830942, 161661884, 323323768, 646647536]

約数ペア:

[(1, 646647536), (2, 323323768), (4, 161661884), (8, 80830942), (16, 40415471), (1871, 345616), (3742, 172808), (7484, 86404), (14968, 43202), (21601, 29936)]