205291207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 242694144

約数和(自身を除く): 37402937

約数列:

[1, 11, 31, 37, 53, 307, 341, 407, 583, 1147, 1643, 1961, 3377, 9517, 11359, 12617, 16271, 18073, 21571, 60791, 104687, 124949, 178981, 352129, 504401, 602027, 668701, 3873419, 5548411, 6622297, 18662837, 205291207]

約数ペア:

[(1, 205291207), (11, 18662837), (31, 6622297), (37, 5548411), (53, 3873419), (307, 668701), (341, 602027), (407, 504401), (583, 352129), (1147, 178981), (1643, 124949), (1961, 104687), (3377, 60791), (9517, 21571), (11359, 18073), (12617, 16271)]