129936128

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 306109440

約数和(自身を除く): 176173312

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, 868, 896, 992, 1736, 1792, 1984, 2339, 3472, 3968, 4678, 6944, 7936, 9356, 13888, 16373, 18712, 27776, 32746, 37424, 55552, 65492, 72509, 74848, 130984, 145018, 149696, 261968, 290036, 299392, 507563, 523936, 580072, 598784, 1015126, 1047872, 1160144, 2030252, 2095744, 2320288, 4060504, 4191488, 4640576, 8121008, 9281152, 16242016, 18562304, 32484032, 64968064, 129936128]

約数ペア:

[(1, 129936128), (2, 64968064), (4, 32484032), (7, 18562304), (8, 16242016), (14, 9281152), (16, 8121008), (28, 4640576), (31, 4191488), (32, 4060504), (56, 2320288), (62, 2095744), (64, 2030252), (112, 1160144), (124, 1047872), (128, 1015126), (217, 598784), (224, 580072), (248, 523936), (256, 507563), (434, 299392), (448, 290036), (496, 261968), (868, 149696), (896, 145018), (992, 130984), (1736, 74848), (1792, 72509), (1984, 65492), (2339, 55552), (3472, 37424), (3968, 32746), (4678, 27776), (6944, 18712), (7936, 16373), (9356, 13888)]