28665565

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1741}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 35745840

約数和(自身を除く): 7080275

約数列:

[1, 5, 37, 89, 185, 445, 1741, 3293, 8705, 16465, 64417, 154949, 322085, 774745, 5733113, 28665565]

約数ペア:

[(1, 28665565), (5, 5733113), (37, 774745), (89, 322085), (185, 154949), (445, 64417), (1741, 16465), (3293, 8705)]