28279745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1951}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 36728832

約数和(自身を除く): 8449087

約数列:

[1, 5, 13, 65, 223, 1115, 1951, 2899, 9755, 14495, 25363, 126815, 435073, 2175365, 5655949, 28279745]

約数ペア:

[(1, 28279745), (5, 5655949), (13, 2175365), (65, 435073), (223, 126815), (1115, 25363), (1951, 14495), (2899, 9755)]