208538281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{6101}}^1$

素因数の和:6384

約数の個数: 16

約数和(自身を含む): 251890560

約数和(自身を除く): 43352279

約数列:

[1, 7, 19, 133, 257, 1799, 4883, 6101, 34181, 42707, 115919, 811433, 1567957, 10975699, 29791183, 208538281]

約数ペア:

[(1, 208538281), (7, 29791183), (19, 10975699), (133, 1567957), (257, 811433), (1799, 115919), (4883, 42707), (6101, 34181)]