28918988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2861}}^1$

素因数の和:2910

約数の個数: 36

約数和(自身を含む): 61063632

約数和(自身を除く): 32144644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 2861, 5054, 5722, 10108, 11444, 20027, 40054, 54359, 80108, 108718, 217436, 380513, 761026, 1032821, 1522052, 2065642, 4131284, 7229747, 14459494, 28918988]

約数ペア:

[(1, 28918988), (2, 14459494), (4, 7229747), (7, 4131284), (14, 2065642), (19, 1522052), (28, 1032821), (38, 761026), (76, 380513), (133, 217436), (266, 108718), (361, 80108), (532, 54359), (722, 40054), (1444, 20027), (2527, 11444), (2861, 10108), (5054, 5722)]