138814508

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{28657}}^1$

素因数の和:28841

約数の個数: 24

約数和(自身を含む): 279243552

約数和(自身を除く): 140429044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 28657, 57314, 114628, 200599, 401198, 802396, 4957661, 9915322, 19830644, 34703627, 69407254, 138814508]

約数ペア:

[(1, 138814508), (2, 69407254), (4, 34703627), (7, 19830644), (14, 9915322), (28, 4957661), (173, 802396), (346, 401198), (692, 200599), (1211, 114628), (2422, 57314), (4844, 28657)]