28558117

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 34013952

約数和(自身を除く): 5455835

約数列:

[1, 7, 37, 71, 259, 497, 1553, 2627, 10871, 18389, 57461, 110263, 402227, 771841, 4079731, 28558117]

約数ペア:

[(1, 28558117), (7, 4079731), (37, 771841), (71, 402227), (259, 110263), (497, 57461), (1553, 18389), (2627, 10871)]