257558976

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 168

約数和(自身を含む): 809518320

約数和(自身を除く): 551959344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 58, 64, 68, 72, 87, 96, 102, 116, 136, 144, 153, 174, 192, 204, 232, 261, 272, 288, 306, 348, 408, 464, 493, 522, 544, 576, 612, 696, 816, 907, 928, 986, 1044, 1088, 1224, 1392, 1479, 1632, 1814, 1856, 1972, 2088, 2448, 2721, 2784, 2958, 3264, 3628, 3944, 4176, 4437, 4896, 5442, 5568, 5916, 7256, 7888, 8163, 8352, 8874, 9792, 10884, 11832, 14512, 15419, 15776, 16326, 16704, 17748, 21768, 23664, 26303, 29024, 30838, 31552, 32652, 35496, 43536, 46257, 47328, 52606, 58048, 61676, 65304, 70992, 78909, 87072, 92514, 94656, 105212, 123352, 130608, 138771, 141984, 157818, 174144, 185028, 210424, 236727, 246704, 261216, 277542, 283968, 315636, 370056, 420848, 447151, 473454, 493408, 522432, 555084, 631272, 740112, 841696, 894302, 946908, 986816, 1110168, 1262544, 1341453, 1480224, 1683392, 1788604, 1893816, 2220336, 2525088, 2682906, 2960448, 3577208, 3787632, 4024359, 4440672, 5050176, 5365812, 7154416, 7575264, 8048718, 8881344, 10731624, 14308832, 15150528, 16097436, 21463248, 28617664, 32194872, 42926496, 64389744, 85852992, 128779488, 257558976]

約数ペア:

[(1, 257558976), (2, 128779488), (3, 85852992), (4, 64389744), (6, 42926496), (8, 32194872), (9, 28617664), (12, 21463248), (16, 16097436), (17, 15150528), (18, 14308832), (24, 10731624), (29, 8881344), (32, 8048718), (34, 7575264), (36, 7154416), (48, 5365812), (51, 5050176), (58, 4440672), (64, 4024359), (68, 3787632), (72, 3577208), (87, 2960448), (96, 2682906), (102, 2525088), (116, 2220336), (136, 1893816), (144, 1788604), (153, 1683392), (174, 1480224), (192, 1341453), (204, 1262544), (232, 1110168), (261, 986816), (272, 946908), (288, 894302), (306, 841696), (348, 740112), (408, 631272), (464, 555084), (493, 522432), (522, 493408), (544, 473454), (576, 447151), (612, 420848), (696, 370056), (816, 315636), (907, 283968), (928, 277542), (986, 261216), (1044, 246704), (1088, 236727), (1224, 210424), (1392, 185028), (1479, 174144), (1632, 157818), (1814, 141984), (1856, 138771), (1972, 130608), (2088, 123352), (2448, 105212), (2721, 94656), (2784, 92514), (2958, 87072), (3264, 78909), (3628, 70992), (3944, 65304), (4176, 61676), (4437, 58048), (4896, 52606), (5442, 47328), (5568, 46257), (5916, 43536), (7256, 35496), (7888, 32652), (8163, 31552), (8352, 30838), (8874, 29024), (9792, 26303), (10884, 23664), (11832, 21768), (14512, 17748), (15419, 16704), (15776, 16326)]