289443854

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{291191}}^1$

素因数の和:291271

約数の個数: 16

約数和(自身を含む): 503179776

約数和(自身を除く): 213735922

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 291191, 582382, 2038337, 4076674, 20674561, 41349122, 144721927, 289443854]

約数ペア:

[(1, 289443854), (2, 144721927), (7, 41349122), (14, 20674561), (71, 4076674), (142, 2038337), (497, 582382), (994, 291191)]