28871794

素因数分解:

$2^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2081}}^1$

素因数の和:3081

約数の個数: 16

約数和(自身を含む): 49568256

約数和(自身を除く): 20696462

約数列:

[1, 2, 7, 14, 991, 1982, 2081, 4162, 6937, 13874, 14567, 29134, 2062271, 4124542, 14435897, 28871794]

約数ペア:

[(1, 28871794), (2, 14435897), (7, 4124542), (14, 2062271), (991, 29134), (1982, 14567), (2081, 13874), (4162, 6937)]