205809968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{141353}}^1$

素因数の和:141381

約数の個数: 40

約数和(自身を含む): 490781088

約数和(自身を除く): 284971120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 141353, 282706, 565412, 989471, 1130824, 1837589, 1978942, 2261648, 3675178, 3957884, 7350356, 7915768, 12863123, 14700712, 15831536, 25726246, 29401424, 51452492, 102904984, 205809968]

約数ペア:

[(1, 205809968), (2, 102904984), (4, 51452492), (7, 29401424), (8, 25726246), (13, 15831536), (14, 14700712), (16, 12863123), (26, 7915768), (28, 7350356), (52, 3957884), (56, 3675178), (91, 2261648), (104, 1978942), (112, 1837589), (182, 1130824), (208, 989471), (364, 565412), (728, 282706), (1456, 141353)]