28514063872

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{256643}}^1$

素因数の和:256699

約数の個数: 80

約数和(自身を含む): 67211983872

約数和(自身を除く): 38697920000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 3472, 3584, 3968, 6944, 7936, 13888, 15872, 27776, 55552, 111104, 256643, 513286, 1026572, 1796501, 2053144, 3593002, 4106288, 7186004, 7955933, 8212576, 14372008, 15911866, 16425152, 28744016, 31823732, 32850304, 55691531, 57488032, 63647464, 65700608, 111383062, 114976064, 127294928, 131401216, 222766124, 229952128, 254589856, 445532248, 459904256, 509179712, 891064496, 919808512, 1018359424, 1782128992, 2036718848, 3564257984, 4073437696, 7128515968, 14257031936, 28514063872]

約数ペア:

[(1, 28514063872), (2, 14257031936), (4, 7128515968), (7, 4073437696), (8, 3564257984), (14, 2036718848), (16, 1782128992), (28, 1018359424), (31, 919808512), (32, 891064496), (56, 509179712), (62, 459904256), (64, 445532248), (112, 254589856), (124, 229952128), (128, 222766124), (217, 131401216), (224, 127294928), (248, 114976064), (256, 111383062), (434, 65700608), (448, 63647464), (496, 57488032), (512, 55691531), (868, 32850304), (896, 31823732), (992, 28744016), (1736, 16425152), (1792, 15911866), (1984, 14372008), (3472, 8212576), (3584, 7955933), (3968, 7186004), (6944, 4106288), (7936, 3593002), (13888, 2053144), (15872, 1796501), (27776, 1026572), (55552, 513286), (111104, 256643)]