128935604

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{68729}}^1$

素因数の和:68807

約数の個数: 24

約数和(自身を含む): 261723840

約数和(自身を除く): 132788236

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 68729, 137458, 274916, 481103, 962206, 1924412, 4604843, 9209686, 18419372, 32233901, 64467802, 128935604]

約数ペア:

[(1, 128935604), (2, 64467802), (4, 32233901), (7, 18419372), (14, 9209686), (28, 4604843), (67, 1924412), (134, 962206), (268, 481103), (469, 274916), (938, 137458), (1876, 68729)]