247345728

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 168

約数和(自身を含む): 775557504

約数和(自身を除く): 528211776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 64, 84, 96, 98, 112, 122, 147, 168, 183, 192, 196, 224, 244, 294, 336, 366, 392, 427, 431, 448, 488, 588, 672, 732, 784, 854, 862, 976, 1176, 1281, 1293, 1344, 1464, 1568, 1708, 1724, 1952, 2352, 2562, 2586, 2928, 2989, 3017, 3136, 3416, 3448, 3904, 4704, 5124, 5172, 5856, 5978, 6034, 6832, 6896, 8967, 9051, 9408, 10248, 10344, 11712, 11956, 12068, 13664, 13792, 17934, 18102, 20496, 20688, 21119, 23912, 24136, 26291, 27328, 27584, 35868, 36204, 40992, 41376, 42238, 47824, 48272, 52582, 63357, 71736, 72408, 78873, 81984, 82752, 84476, 95648, 96544, 105164, 126714, 143472, 144816, 157746, 168952, 184037, 191296, 193088, 210328, 253428, 286944, 289632, 315492, 337904, 368074, 420656, 506856, 552111, 573888, 579264, 630984, 675808, 736148, 841312, 1013712, 1104222, 1261968, 1288259, 1351616, 1472296, 1682624, 2027424, 2208444, 2523936, 2576518, 2944592, 3864777, 4054848, 4416888, 5047872, 5153036, 5889184, 7729554, 8833776, 10306072, 11778368, 15459108, 17667552, 20612144, 30918216, 35335104, 41224288, 61836432, 82448576, 123672864, 247345728]

約数ペア:

[(1, 247345728), (2, 123672864), (3, 82448576), (4, 61836432), (6, 41224288), (7, 35335104), (8, 30918216), (12, 20612144), (14, 17667552), (16, 15459108), (21, 11778368), (24, 10306072), (28, 8833776), (32, 7729554), (42, 5889184), (48, 5153036), (49, 5047872), (56, 4416888), (61, 4054848), (64, 3864777), (84, 2944592), (96, 2576518), (98, 2523936), (112, 2208444), (122, 2027424), (147, 1682624), (168, 1472296), (183, 1351616), (192, 1288259), (196, 1261968), (224, 1104222), (244, 1013712), (294, 841312), (336, 736148), (366, 675808), (392, 630984), (427, 579264), (431, 573888), (448, 552111), (488, 506856), (588, 420656), (672, 368074), (732, 337904), (784, 315492), (854, 289632), (862, 286944), (976, 253428), (1176, 210328), (1281, 193088), (1293, 191296), (1344, 184037), (1464, 168952), (1568, 157746), (1708, 144816), (1724, 143472), (1952, 126714), (2352, 105164), (2562, 96544), (2586, 95648), (2928, 84476), (2989, 82752), (3017, 81984), (3136, 78873), (3416, 72408), (3448, 71736), (3904, 63357), (4704, 52582), (5124, 48272), (5172, 47824), (5856, 42238), (5978, 41376), (6034, 40992), (6832, 36204), (6896, 35868), (8967, 27584), (9051, 27328), (9408, 26291), (10248, 24136), (10344, 23912), (11712, 21119), (11956, 20688), (12068, 20496), (13664, 18102), (13792, 17934)]