12489752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 13430248

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 1999, 3124, 3998, 6248, 7996, 15992, 21989, 43978, 87956, 141929, 175912, 283858, 567716, 1135432, 1561219, 3122438, 6244876, 12489752]

約数ペア:

[(1, 12489752), (2, 6244876), (4, 3122438), (8, 1561219), (11, 1135432), (22, 567716), (44, 283858), (71, 175912), (88, 141929), (142, 87956), (284, 43978), (568, 21989), (781, 15992), (1562, 7996), (1999, 6248), (3124, 3998)]