28486315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{39841}}^1$

素因数の和:39870

約数の個数: 16

約数和(自身を含む): 40160736

約数和(自身を除く): 11674421

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 39841, 199205, 438251, 517933, 2191255, 2589665, 5697263, 28486315]

約数ペア:

[(1, 28486315), (5, 5697263), (11, 2589665), (13, 2191255), (55, 517933), (65, 438251), (143, 199205), (715, 39841)]