256647888

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{36373}}^1$

素因数の和:36401

約数の個数: 90

約数和(自身を含む): 835547154

約数和(自身を除く): 578899266

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 36373, 72746, 109119, 145492, 218238, 254611, 290984, 327357, 436476, 509222, 581968, 654714, 763833, 872952, 1018444, 1309428, 1527666, 1745904, 1782277, 2036888, 2291499, 2618856, 3055332, 3564554, 4073776, 4582998, 5237712, 5346831, 6110664, 7129108, 9165996, 10693662, 12221328, 14258216, 16040493, 18331992, 21387324, 28516432, 32080986, 36663984, 42774648, 64161972, 85549296, 128323944, 256647888]

約数ペア:

[(1, 256647888), (2, 128323944), (3, 85549296), (4, 64161972), (6, 42774648), (7, 36663984), (8, 32080986), (9, 28516432), (12, 21387324), (14, 18331992), (16, 16040493), (18, 14258216), (21, 12221328), (24, 10693662), (28, 9165996), (36, 7129108), (42, 6110664), (48, 5346831), (49, 5237712), (56, 4582998), (63, 4073776), (72, 3564554), (84, 3055332), (98, 2618856), (112, 2291499), (126, 2036888), (144, 1782277), (147, 1745904), (168, 1527666), (196, 1309428), (252, 1018444), (294, 872952), (336, 763833), (392, 654714), (441, 581968), (504, 509222), (588, 436476), (784, 327357), (882, 290984), (1008, 254611), (1176, 218238), (1764, 145492), (2352, 109119), (3528, 72746), (7056, 36373)]