138260992

素因数分解:

$2^9\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:361

約数の個数: 60

約数和(自身を含む): 286466598

約数和(自身を除く): 148205606

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 281, 496, 512, 562, 961, 992, 1124, 1922, 1984, 2248, 3844, 3968, 4496, 7688, 7936, 8711, 8992, 15376, 15872, 17422, 17984, 30752, 34844, 35968, 61504, 69688, 71936, 123008, 139376, 143872, 246016, 270041, 278752, 492032, 540082, 557504, 1080164, 1115008, 2160328, 2230016, 4320656, 4460032, 8641312, 17282624, 34565248, 69130496, 138260992]

約数ペア:

[(1, 138260992), (2, 69130496), (4, 34565248), (8, 17282624), (16, 8641312), (31, 4460032), (32, 4320656), (62, 2230016), (64, 2160328), (124, 1115008), (128, 1080164), (248, 557504), (256, 540082), (281, 492032), (496, 278752), (512, 270041), (562, 246016), (961, 143872), (992, 139376), (1124, 123008), (1922, 71936), (1984, 69688), (2248, 61504), (3844, 35968), (3968, 34844), (4496, 30752), (7688, 17984), (7936, 17422), (8711, 15872), (8992, 15376)]