319901912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21013}}^1$

素因数の和:21203

約数の個数: 32

約数和(自身を含む): 658158480

約数和(自身を除く): 338256568

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1384, 1903, 3806, 7612, 15224, 21013, 42026, 84052, 168104, 231143, 462286, 924572, 1849144, 3635249, 7270498, 14540996, 29081992, 39987739, 79975478, 159950956, 319901912]

約数ペア:

[(1, 319901912), (2, 159950956), (4, 79975478), (8, 39987739), (11, 29081992), (22, 14540996), (44, 7270498), (88, 3635249), (173, 1849144), (346, 924572), (692, 462286), (1384, 231143), (1903, 168104), (3806, 84052), (7612, 42026), (15224, 21013)]