28027384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 66147840

約数和(自身を除く): 38120456

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 173, 263, 308, 346, 526, 616, 692, 1052, 1211, 1384, 1841, 1903, 2104, 2422, 2893, 3682, 3806, 4844, 5786, 7364, 7612, 9688, 11572, 13321, 14728, 15224, 20251, 23144, 26642, 40502, 45499, 53284, 81004, 90998, 106568, 162008, 181996, 318493, 363992, 500489, 636986, 1000978, 1273972, 2001956, 2547944, 3503423, 4003912, 7006846, 14013692, 28027384]

約数ペア:

[(1, 28027384), (2, 14013692), (4, 7006846), (7, 4003912), (8, 3503423), (11, 2547944), (14, 2001956), (22, 1273972), (28, 1000978), (44, 636986), (56, 500489), (77, 363992), (88, 318493), (154, 181996), (173, 162008), (263, 106568), (308, 90998), (346, 81004), (526, 53284), (616, 45499), (692, 40502), (1052, 26642), (1211, 23144), (1384, 20251), (1841, 15224), (1903, 14728), (2104, 13321), (2422, 11572), (2893, 9688), (3682, 7612), (3806, 7364), (4844, 5786)]