128198144

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 272232576

約数和(自身を除く): 144034432

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 197, 248, 256, 328, 394, 496, 512, 656, 788, 992, 1271, 1312, 1576, 1984, 2542, 2624, 3152, 3968, 5084, 5248, 6107, 6304, 7936, 8077, 10168, 10496, 12214, 12608, 15872, 16154, 20336, 20992, 24428, 25216, 32308, 40672, 48856, 50432, 64616, 81344, 97712, 100864, 129232, 162688, 195424, 250387, 258464, 325376, 390848, 500774, 516928, 650752, 781696, 1001548, 1033856, 1563392, 2003096, 2067712, 3126784, 4006192, 4135424, 8012384, 16024768, 32049536, 64099072, 128198144]

約数ペア:

[(1, 128198144), (2, 64099072), (4, 32049536), (8, 16024768), (16, 8012384), (31, 4135424), (32, 4006192), (41, 3126784), (62, 2067712), (64, 2003096), (82, 1563392), (124, 1033856), (128, 1001548), (164, 781696), (197, 650752), (248, 516928), (256, 500774), (328, 390848), (394, 325376), (496, 258464), (512, 250387), (656, 195424), (788, 162688), (992, 129232), (1271, 100864), (1312, 97712), (1576, 81344), (1984, 64616), (2542, 50432), (2624, 48856), (3152, 40672), (3968, 32308), (5084, 25216), (5248, 24428), (6107, 20992), (6304, 20336), (7936, 16154), (8077, 15872), (10168, 12608), (10496, 12214)]