320438534

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 561692880

約数和(自身を除く): 241254346

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 169, 247, 338, 494, 533, 779, 1066, 1217, 1558, 2434, 3211, 6422, 6929, 10127, 13858, 15821, 20254, 23123, 31642, 46246, 49897, 99794, 131651, 205673, 263302, 300599, 411346, 601198, 648661, 948043, 1297322, 1896086, 3907787, 7815574, 8432593, 12324559, 16865186, 24649118, 160219267, 320438534]

約数ペア:

[(1, 320438534), (2, 160219267), (13, 24649118), (19, 16865186), (26, 12324559), (38, 8432593), (41, 7815574), (82, 3907787), (169, 1896086), (247, 1297322), (338, 948043), (494, 648661), (533, 601198), (779, 411346), (1066, 300599), (1217, 263302), (1558, 205673), (2434, 131651), (3211, 99794), (6422, 49897), (6929, 46246), (10127, 31642), (13858, 23123), (15821, 20254)]