263213568

素因数分解:

$2^9\times 3^2\times {\mathrm{239}}^2$

素因数の和:502

約数の個数: 90

約数和(自身を含む): 762843939

約数和(自身を除く): 499630371

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 239, 256, 288, 384, 478, 512, 576, 717, 768, 956, 1152, 1434, 1536, 1912, 2151, 2304, 2868, 3824, 4302, 4608, 5736, 7648, 8604, 11472, 15296, 17208, 22944, 30592, 34416, 45888, 57121, 61184, 68832, 91776, 114242, 122368, 137664, 171363, 183552, 228484, 275328, 342726, 367104, 456968, 514089, 550656, 685452, 913936, 1028178, 1101312, 1370904, 1827872, 2056356, 2741808, 3655744, 4112712, 5483616, 7311488, 8225424, 10967232, 14622976, 16450848, 21934464, 29245952, 32901696, 43868928, 65803392, 87737856, 131606784, 263213568]

約数ペア:

[(1, 263213568), (2, 131606784), (3, 87737856), (4, 65803392), (6, 43868928), (8, 32901696), (9, 29245952), (12, 21934464), (16, 16450848), (18, 14622976), (24, 10967232), (32, 8225424), (36, 7311488), (48, 5483616), (64, 4112712), (72, 3655744), (96, 2741808), (128, 2056356), (144, 1827872), (192, 1370904), (239, 1101312), (256, 1028178), (288, 913936), (384, 685452), (478, 550656), (512, 514089), (576, 456968), (717, 367104), (768, 342726), (956, 275328), (1152, 228484), (1434, 183552), (1536, 171363), (1912, 137664), (2151, 122368), (2304, 114242), (2868, 91776), (3824, 68832), (4302, 61184), (4608, 57121), (5736, 45888), (7648, 34416), (8604, 30592), (11472, 22944), (15296, 17208)]