128965984

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6469}}^1$

素因数の和:6575

約数の個数: 48

約数和(自身を含む): 293479200

約数和(自身を除く): 164513216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1246, 1424, 2492, 2848, 4984, 6469, 9968, 12938, 19936, 25876, 45283, 51752, 90566, 103504, 181132, 207008, 362264, 575741, 724528, 1151482, 1449056, 2302964, 4030187, 4605928, 8060374, 9211856, 16120748, 18423712, 32241496, 64482992, 128965984]

約数ペア:

[(1, 128965984), (2, 64482992), (4, 32241496), (7, 18423712), (8, 16120748), (14, 9211856), (16, 8060374), (28, 4605928), (32, 4030187), (56, 2302964), (89, 1449056), (112, 1151482), (178, 724528), (224, 575741), (356, 362264), (623, 207008), (712, 181132), (1246, 103504), (1424, 90566), (2492, 51752), (2848, 45283), (4984, 25876), (6469, 19936), (9968, 12938)]