1290872755

素因数分解:

$5^1\times {\mathrm{449}}^1\times {\mathrm{709}}^1\times {\mathrm{811}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 1556604000

約数和(自身を除く): 265731245

約数列:

[1, 5, 449, 709, 811, 2245, 3545, 4055, 318341, 364139, 574999, 1591705, 1820695, 2874995, 258174551, 1290872755]

約数ペア:

[(1, 1290872755), (5, 258174551), (449, 2874995), (709, 1820695), (811, 1591705), (2245, 574999), (3545, 364139), (4055, 318341)]