128813356

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{3631}}^1$

素因数の和:3830

約数の個数: 36

約数和(自身を含む): 263748576

約数和(自身を除く): 134935220

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 724, 1267, 2534, 3631, 5068, 7262, 8869, 14524, 17738, 25417, 35476, 50834, 101668, 177919, 355838, 657211, 711676, 1314422, 2628844, 4600477, 9200954, 18401908, 32203339, 64406678, 128813356]

約数ペア:

[(1, 128813356), (2, 64406678), (4, 32203339), (7, 18401908), (14, 9200954), (28, 4600477), (49, 2628844), (98, 1314422), (181, 711676), (196, 657211), (362, 355838), (724, 177919), (1267, 101668), (2534, 50834), (3631, 35476), (5068, 25417), (7262, 17738), (8869, 14524)]