28931903

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 10616977

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4129, 7007, 28903, 45419, 53677, 202321, 317933, 375739, 590447, 2225531, 2630173, 4133129, 28931903]

約数ペア:

[(1, 28931903), (7, 4133129), (11, 2630173), (13, 2225531), (49, 590447), (77, 375739), (91, 317933), (143, 202321), (539, 53677), (637, 45419), (1001, 28903), (4129, 7007)]