28001212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 54754560

約数和(自身を除く): 26753348

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 83, 92, 166, 193, 332, 386, 437, 772, 874, 1577, 1748, 1909, 3154, 3667, 3818, 4439, 6308, 7334, 7636, 8878, 14668, 16019, 17756, 32038, 36271, 64076, 72542, 84341, 145084, 168682, 304361, 337364, 368437, 608722, 736874, 1217444, 1473748, 7000303, 14000606, 28001212]

約数ペア:

[(1, 28001212), (2, 14000606), (4, 7000303), (19, 1473748), (23, 1217444), (38, 736874), (46, 608722), (76, 368437), (83, 337364), (92, 304361), (166, 168682), (193, 145084), (332, 84341), (386, 72542), (437, 64076), (772, 36271), (874, 32038), (1577, 17756), (1748, 16019), (1909, 14668), (3154, 8878), (3667, 7636), (3818, 7334), (4439, 6308)]