209115565

素因数分解:

$5^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 253134000

約数和(自身を除く): 44018435

約数列:

[1, 5, 293, 349, 409, 1465, 1745, 2045, 102257, 119837, 142741, 511285, 599185, 713705, 41823113, 209115565]

約数ペア:

[(1, 209115565), (5, 41823113), (293, 713705), (349, 599185), (409, 511285), (1465, 142741), (1745, 119837), (2045, 102257)]