257982992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{4861}}^1$

素因数の和:5007

約数の個数: 40

約数和(自身を含む): 520895232

約数和(自身を除く): 262912240

約数列:

[1, 2, 4, 8, 16, 31, 62, 107, 124, 214, 248, 428, 496, 856, 1712, 3317, 4861, 6634, 9722, 13268, 19444, 26536, 38888, 53072, 77776, 150691, 301382, 520127, 602764, 1040254, 1205528, 2080508, 2411056, 4161016, 8322032, 16123937, 32247874, 64495748, 128991496, 257982992]

約数ペア:

[(1, 257982992), (2, 128991496), (4, 64495748), (8, 32247874), (16, 16123937), (31, 8322032), (62, 4161016), (107, 2411056), (124, 2080508), (214, 1205528), (248, 1040254), (428, 602764), (496, 520127), (856, 301382), (1712, 150691), (3317, 77776), (4861, 53072), (6634, 38888), (9722, 26536), (13268, 19444)]