51206155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 83061504

約数和(自身を除く): 31855349

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 169, 385, 455, 715, 787, 845, 1001, 1183, 1859, 3935, 5005, 5509, 5915, 8657, 9295, 10231, 13013, 27545, 43285, 51155, 60599, 65065, 71617, 112541, 133003, 302995, 358085, 562705, 665015, 787787, 931021, 1463033, 3938935, 4655105, 7315165, 10241231, 51206155]

約数ペア:

[(1, 51206155), (5, 10241231), (7, 7315165), (11, 4655105), (13, 3938935), (35, 1463033), (55, 931021), (65, 787787), (77, 665015), (91, 562705), (143, 358085), (169, 302995), (385, 133003), (455, 112541), (715, 71617), (787, 65065), (845, 60599), (1001, 51155), (1183, 43285), (1859, 27545), (3935, 13013), (5005, 10231), (5509, 9295), (5915, 8657)]