209821256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{2039}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 414936000

約数和(自身を除く): 205114744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 677, 1354, 2039, 2708, 4078, 5416, 8156, 12863, 16312, 25726, 38741, 51452, 77482, 102904, 154964, 309928, 1380403, 2760806, 5521612, 11043224, 26227657, 52455314, 104910628, 209821256]

約数ペア:

[(1, 209821256), (2, 104910628), (4, 52455314), (8, 26227657), (19, 11043224), (38, 5521612), (76, 2760806), (152, 1380403), (677, 309928), (1354, 154964), (2039, 102904), (2708, 77482), (4078, 51452), (5416, 38741), (8156, 25726), (12863, 16312)]