17661392

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2307

約数の個数: 40

約数和(自身を含む): 39676032

約数和(自身を除く): 22014640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2221, 3976, 4442, 7952, 8884, 15547, 17768, 31094, 35536, 62188, 124376, 157691, 248752, 315382, 630764, 1103837, 1261528, 2207674, 2523056, 4415348, 8830696, 17661392]

約数ペア:

[(1, 17661392), (2, 8830696), (4, 4415348), (7, 2523056), (8, 2207674), (14, 1261528), (16, 1103837), (28, 630764), (56, 315382), (71, 248752), (112, 157691), (142, 124376), (284, 62188), (497, 35536), (568, 31094), (994, 17768), (1136, 15547), (1988, 8884), (2221, 7952), (3976, 4442)]