2556739.00000000

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{787}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 197441280

約数和(自身を除く): 113572264

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 173, 308, 346, 616, 692, 787, 1211, 1384, 1574, 1903, 2422, 3148, 3806, 4844, 5509, 6296, 7612, 8657, 9688, 11018, 13321, 15224, 17314, 22036, 26642, 34628, 44072, 53284, 60599, 69256, 106568, 121198, 136151, 242396, 272302, 484792, 544604, 953057, 1089208, 1497661, 1906114, 2995322, 3812228, 5990644, 7624456, 10483627, 11981288, 20967254, 41934508, 83869016]

約数ペア:

[(1, 83869016), (2, 41934508), (4, 20967254), (7, 11981288), (8, 10483627), (11, 7624456), (14, 5990644), (22, 3812228), (28, 2995322), (44, 1906114), (56, 1497661), (77, 1089208), (88, 953057), (154, 544604), (173, 484792), (308, 272302), (346, 242396), (616, 136151), (692, 121198), (787, 106568), (1211, 69256), (1384, 60599), (1574, 53284), (1903, 44072), (2422, 34628), (3148, 26642), (3806, 22036), (4844, 17314), (5509, 15224), (6296, 13321), (7612, 11018), (8657, 9688)]