256619328

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4657}}^1$

素因数の和:4720

約数の個数: 112

約数和(自身を含む): 795064704

約数和(自身を除く): 538445376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 164, 168, 192, 224, 246, 287, 328, 336, 448, 492, 574, 656, 672, 861, 984, 1148, 1312, 1344, 1722, 1968, 2296, 2624, 3444, 3936, 4592, 4657, 6888, 7872, 9184, 9314, 13776, 13971, 18368, 18628, 27552, 27942, 32599, 37256, 55104, 55884, 65198, 74512, 97797, 111768, 130396, 149024, 190937, 195594, 223536, 260792, 298048, 381874, 391188, 447072, 521584, 572811, 763748, 782376, 894144, 1043168, 1145622, 1336559, 1527496, 1564752, 2086336, 2291244, 2673118, 3054992, 3129504, 4009677, 4582488, 5346236, 6109984, 6259008, 8019354, 9164976, 10692472, 12219968, 16038708, 18329952, 21384944, 32077416, 36659904, 42769888, 64154832, 85539776, 128309664, 256619328]

約数ペア:

[(1, 256619328), (2, 128309664), (3, 85539776), (4, 64154832), (6, 42769888), (7, 36659904), (8, 32077416), (12, 21384944), (14, 18329952), (16, 16038708), (21, 12219968), (24, 10692472), (28, 9164976), (32, 8019354), (41, 6259008), (42, 6109984), (48, 5346236), (56, 4582488), (64, 4009677), (82, 3129504), (84, 3054992), (96, 2673118), (112, 2291244), (123, 2086336), (164, 1564752), (168, 1527496), (192, 1336559), (224, 1145622), (246, 1043168), (287, 894144), (328, 782376), (336, 763748), (448, 572811), (492, 521584), (574, 447072), (656, 391188), (672, 381874), (861, 298048), (984, 260792), (1148, 223536), (1312, 195594), (1344, 190937), (1722, 149024), (1968, 130396), (2296, 111768), (2624, 97797), (3444, 74512), (3936, 65198), (4592, 55884), (4657, 55104), (6888, 37256), (7872, 32599), (9184, 27942), (9314, 27552), (13776, 18628), (13971, 18368)]