205504828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{11923}}^1$

素因数の和:12097

約数の個数: 24

約数和(自身を含む): 373936640

約数和(自身を除く): 168431812

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 4309, 8618, 11923, 17236, 23846, 47692, 369613, 739226, 1478452, 1657297, 3314594, 6629188, 51376207, 102752414, 205504828]

約数ペア:

[(1, 205504828), (2, 102752414), (4, 51376207), (31, 6629188), (62, 3314594), (124, 1657297), (139, 1478452), (278, 739226), (556, 369613), (4309, 47692), (8618, 23846), (11923, 17236)]