28152005

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21739}}^1$

素因数の和:21788

約数の個数: 16

約数和(自身を含む): 39653760

約数和(自身を除く): 11501755

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 21739, 108695, 152173, 760865, 804343, 4021715, 5630401, 28152005]

約数ペア:

[(1, 28152005), (5, 5630401), (7, 4021715), (35, 804343), (37, 760865), (185, 152173), (259, 108695), (1295, 21739)]