28947968

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 68058144

約数和(自身を除く): 39110176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 197, 224, 256, 287, 328, 394, 448, 512, 574, 656, 788, 896, 1148, 1312, 1379, 1576, 1792, 2296, 2624, 2758, 3152, 3584, 4592, 5248, 5516, 6304, 8077, 9184, 10496, 11032, 12608, 16154, 18368, 20992, 22064, 25216, 32308, 36736, 44128, 50432, 56539, 64616, 73472, 88256, 100864, 113078, 129232, 146944, 176512, 226156, 258464, 353024, 452312, 516928, 706048, 904624, 1033856, 1809248, 2067712, 3618496, 4135424, 7236992, 14473984, 28947968]

約数ペア:

[(1, 28947968), (2, 14473984), (4, 7236992), (7, 4135424), (8, 3618496), (14, 2067712), (16, 1809248), (28, 1033856), (32, 904624), (41, 706048), (56, 516928), (64, 452312), (82, 353024), (112, 258464), (128, 226156), (164, 176512), (197, 146944), (224, 129232), (256, 113078), (287, 100864), (328, 88256), (394, 73472), (448, 64616), (512, 56539), (574, 50432), (656, 44128), (788, 36736), (896, 32308), (1148, 25216), (1312, 22064), (1379, 20992), (1576, 18368), (1792, 16154), (2296, 12608), (2624, 11032), (2758, 10496), (3152, 9184), (3584, 8077), (4592, 6304), (5248, 5516)]