28565887

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 34178112

約数和(自身を除く): 5612225

約数列:

[1, 7, 37, 53, 259, 371, 1961, 2081, 13727, 14567, 76997, 110293, 538979, 772051, 4080841, 28565887]

約数ペア:

[(1, 28565887), (7, 4080841), (37, 772051), (53, 538979), (259, 110293), (371, 76997), (1961, 14567), (2081, 13727)]