251012672

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 513380736

約数和(自身を除く): 262368064

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 197, 344, 394, 463, 688, 788, 926, 1376, 1576, 1852, 2752, 3152, 3704, 6304, 7408, 8471, 12608, 14816, 16942, 19909, 29632, 33884, 39818, 67768, 79636, 91211, 135536, 159272, 182422, 271072, 318544, 364844, 542144, 637088, 729688, 1274176, 1459376, 2918752, 3922073, 5837504, 7844146, 15688292, 31376584, 62753168, 125506336, 251012672]

約数ペア:

[(1, 251012672), (2, 125506336), (4, 62753168), (8, 31376584), (16, 15688292), (32, 7844146), (43, 5837504), (64, 3922073), (86, 2918752), (172, 1459376), (197, 1274176), (344, 729688), (394, 637088), (463, 542144), (688, 364844), (788, 318544), (926, 271072), (1376, 182422), (1576, 159272), (1852, 135536), (2752, 91211), (3152, 79636), (3704, 67768), (6304, 39818), (7408, 33884), (8471, 29632), (12608, 19909), (14816, 16942)]