28875665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63463}}^1$

素因数の和:63488

約数の個数: 16

約数和(自身を含む): 42647808

約数和(自身を除く): 13772143

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63463, 317315, 444241, 825019, 2221205, 4125095, 5775133, 28875665]

約数ペア:

[(1, 28875665), (5, 5775133), (7, 4125095), (13, 2221205), (35, 825019), (65, 444241), (91, 317315), (455, 63463)]