28875844

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 51571520

約数和(自身を除く): 22695676

約数列:

[1, 2, 4, 103, 109, 206, 218, 412, 436, 643, 1286, 2572, 11227, 22454, 44908, 66229, 70087, 132458, 140174, 264916, 280348, 7218961, 14437922, 28875844]

約数ペア:

[(1, 28875844), (2, 14437922), (4, 7218961), (103, 280348), (109, 264916), (206, 140174), (218, 132458), (412, 70087), (436, 66229), (643, 44908), (1286, 22454), (2572, 11227)]