287212094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1381}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 489891360

約数和(自身を除く): 202679266

約数列:

[1, 2, 13, 19, 26, 38, 247, 421, 494, 842, 1381, 2762, 5473, 7999, 10946, 15998, 17953, 26239, 35906, 52478, 103987, 207974, 341107, 581401, 682214, 1162802, 7558213, 11046619, 15116426, 22093238, 143606047, 287212094]

約数ペア:

[(1, 287212094), (2, 143606047), (13, 22093238), (19, 15116426), (26, 11046619), (38, 7558213), (247, 1162802), (421, 682214), (494, 581401), (842, 341107), (1381, 207974), (2762, 103987), (5473, 52478), (7999, 35906), (10946, 26239), (15998, 17953)]