128386916

素因数分解:

$2^2\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{2683}}^1$

素因数の和:4403

約数の個数: 24

約数和(自身を含む): 257019840

約数和(自身を除く): 128632924

約数列:

[1, 2, 4, 7, 14, 28, 1709, 2683, 3418, 5366, 6836, 10732, 11963, 18781, 23926, 37562, 47852, 75124, 4585247, 9170494, 18340988, 32096729, 64193458, 128386916]

約数ペア:

[(1, 128386916), (2, 64193458), (4, 32096729), (7, 18340988), (14, 9170494), (28, 4585247), (1709, 75124), (2683, 47852), (3418, 37562), (5366, 23926), (6836, 18781), (10732, 11963)]