28125656

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 58106160

約数和(自身を除く): 29980504

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 169, 284, 293, 338, 568, 586, 676, 923, 1172, 1352, 1846, 2344, 3692, 3809, 7384, 7618, 11999, 15236, 20803, 23998, 30472, 41606, 47996, 49517, 83212, 95992, 99034, 166424, 198068, 270439, 396136, 540878, 1081756, 2163512, 3515707, 7031414, 14062828, 28125656]

約数ペア:

[(1, 28125656), (2, 14062828), (4, 7031414), (8, 3515707), (13, 2163512), (26, 1081756), (52, 540878), (71, 396136), (104, 270439), (142, 198068), (169, 166424), (284, 99034), (293, 95992), (338, 83212), (568, 49517), (586, 47996), (676, 41606), (923, 30472), (1172, 23998), (1352, 20803), (1846, 15236), (2344, 11999), (3692, 7618), (3809, 7384)]