8889011872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{127951}}^1$

素因数の和:128141

約数の個数: 48

約数和(自身を含む): 18959415552

約数和(自身を除く): 10070403680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 167, 208, 334, 416, 668, 1336, 2171, 2672, 4342, 5344, 8684, 17368, 34736, 69472, 127951, 255902, 511804, 1023608, 1663363, 2047216, 3326726, 4094432, 6653452, 13306904, 21367817, 26613808, 42735634, 53227616, 85471268, 170942536, 277781621, 341885072, 555563242, 683770144, 1111126484, 2222252968, 4444505936, 8889011872]

約数ペア:

[(1, 8889011872), (2, 4444505936), (4, 2222252968), (8, 1111126484), (13, 683770144), (16, 555563242), (26, 341885072), (32, 277781621), (52, 170942536), (104, 85471268), (167, 53227616), (208, 42735634), (334, 26613808), (416, 21367817), (668, 13306904), (1336, 6653452), (2171, 4094432), (2672, 3326726), (4342, 2047216), (5344, 1663363), (8684, 1023608), (17368, 511804), (34736, 255902), (69472, 127951)]