217040894

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{31193}}^1$

素因数の和:31280

約数の個数: 24

約数和(自身を含む): 384060528

約数和(自身を除く): 167019634

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3479, 6958, 31193, 62386, 218351, 436702, 1528457, 2214703, 3056914, 4429406, 15502921, 31005842, 108520447, 217040894]

約数ペア:

[(1, 217040894), (2, 108520447), (7, 31005842), (14, 15502921), (49, 4429406), (71, 3056914), (98, 2214703), (142, 1528457), (497, 436702), (994, 218351), (3479, 62386), (6958, 31193)]