205808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:704

約数の個数: 20

約数和(自身を含む): 420360

約数和(自身を除く): 214552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 677, 1354, 2708, 5416, 10832, 12863, 25726, 51452, 102904, 205808]

約数ペア:

[(1, 205808), (2, 102904), (4, 51452), (8, 25726), (16, 12863), (19, 10832), (38, 5416), (76, 2708), (152, 1354), (304, 677)]