1640987574

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{15493}}^1$

素因数の和:15764

約数の個数: 32

約数和(自身を含む): 3331829760

約数和(自身を除く): 1690842186

約数列:

[1, 2, 3, 6, 127, 139, 254, 278, 381, 417, 762, 834, 15493, 17653, 30986, 35306, 46479, 52959, 92958, 105918, 1967611, 2153527, 3935222, 4307054, 5902833, 6460581, 11805666, 12921162, 273497929, 546995858, 820493787, 1640987574]

約数ペア:

[(1, 1640987574), (2, 820493787), (3, 546995858), (6, 273497929), (127, 12921162), (139, 11805666), (254, 6460581), (278, 5902833), (381, 4307054), (417, 3935222), (762, 2153527), (834, 1967611), (15493, 105918), (17653, 92958), (30986, 52959), (35306, 46479)]