259420984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{2521}}^1$

素因数の和:3223

約数の個数: 32

約数和(自身を含む): 512974800

約数和(自身を除く): 253553816

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 677, 1354, 2521, 2708, 5042, 5416, 10084, 12863, 20168, 25726, 47899, 51452, 95798, 102904, 191596, 383192, 1706717, 3413434, 6826868, 13653736, 32427623, 64855246, 129710492, 259420984]

約数ペア:

[(1, 259420984), (2, 129710492), (4, 64855246), (8, 32427623), (19, 13653736), (38, 6826868), (76, 3413434), (152, 1706717), (677, 383192), (1354, 191596), (2521, 102904), (2708, 95798), (5042, 51452), (5416, 47899), (10084, 25726), (12863, 20168)]