209904318

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2903}}^1$

素因数の和:3030

約数の個数: 64

約数和(自身を含む): 507386880

約数和(自身を除く): 297482562

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 103, 117, 206, 234, 309, 351, 618, 702, 927, 1339, 1854, 2678, 2781, 2903, 4017, 5562, 5806, 8034, 8709, 12051, 17418, 24102, 26127, 36153, 37739, 52254, 72306, 75478, 78381, 113217, 156762, 226434, 299009, 339651, 598018, 679302, 897027, 1018953, 1794054, 2037906, 2691081, 3887117, 5382162, 7774234, 8073243, 11661351, 16146486, 23322702, 34984053, 69968106, 104952159, 209904318]

約数ペア:

[(1, 209904318), (2, 104952159), (3, 69968106), (6, 34984053), (9, 23322702), (13, 16146486), (18, 11661351), (26, 8073243), (27, 7774234), (39, 5382162), (54, 3887117), (78, 2691081), (103, 2037906), (117, 1794054), (206, 1018953), (234, 897027), (309, 679302), (351, 598018), (618, 339651), (702, 299009), (927, 226434), (1339, 156762), (1854, 113217), (2678, 78381), (2781, 75478), (2903, 72306), (4017, 52254), (5562, 37739), (5806, 36153), (8034, 26127), (8709, 24102), (12051, 17418)]