189871451

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 244823040

約数和(自身を除く): 54951589

約数列:

[1, 7, 11, 41, 77, 137, 287, 439, 451, 959, 1507, 3073, 3157, 4829, 5617, 10549, 17999, 33803, 39319, 60143, 61787, 125993, 197989, 421001, 432509, 661573, 1385923, 2465863, 4631011, 17261041, 27124493, 189871451]

約数ペア:

[(1, 189871451), (7, 27124493), (11, 17261041), (41, 4631011), (77, 2465863), (137, 1385923), (287, 661573), (439, 432509), (451, 421001), (959, 197989), (1507, 125993), (3073, 61787), (3157, 60143), (4829, 39319), (5617, 33803), (10549, 17999)]