128909956

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{55469}}^1$

素因数の和:55563

約数の個数: 24

約数和(自身を含む): 260930880

約数和(自身を除く): 132020924

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 55469, 110938, 221876, 388283, 776566, 1553132, 4603927, 9207854, 18415708, 32227489, 64454978, 128909956]

約数ペア:

[(1, 128909956), (2, 64454978), (4, 32227489), (7, 18415708), (14, 9207854), (28, 4603927), (83, 1553132), (166, 776566), (332, 388283), (581, 221876), (1162, 110938), (2324, 55469)]