243384674

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{6991}}^1$

素因数の和:7122

約数の個数: 24

約数和(自身を含む): 399215232

約数和(自身を除く): 155830558

約数列:

[1, 2, 13, 26, 103, 169, 206, 338, 1339, 2678, 6991, 13982, 17407, 34814, 90883, 181766, 720073, 1181479, 1440146, 2362958, 9360949, 18721898, 121692337, 243384674]

約数ペア:

[(1, 243384674), (2, 121692337), (13, 18721898), (26, 9360949), (103, 2362958), (169, 1440146), (206, 1181479), (338, 720073), (1339, 181766), (2678, 90883), (6991, 34814), (13982, 17407)]