28511755

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 34875360

約数和(自身を除く): 6363605

約数列:

[1, 5, 107, 137, 389, 535, 685, 1945, 14659, 41623, 53293, 73295, 208115, 266465, 5702351, 28511755]

約数ペア:

[(1, 28511755), (5, 5702351), (107, 266465), (137, 208115), (389, 73295), (535, 53293), (685, 41623), (1945, 14659)]