338208145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 452065536

約数和(自身を除く): 113857391

約数列:

[1, 5, 11, 55, 71, 257, 337, 355, 781, 1285, 1685, 2827, 3707, 3905, 14135, 18247, 18535, 23927, 86609, 91235, 119635, 200717, 263197, 433045, 952699, 1003585, 1315985, 4763495, 6149239, 30746195, 67641629, 338208145]

約数ペア:

[(1, 338208145), (5, 67641629), (11, 30746195), (55, 6149239), (71, 4763495), (257, 1315985), (337, 1003585), (355, 952699), (781, 433045), (1285, 263197), (1685, 200717), (2827, 119635), (3707, 91235), (3905, 86609), (14135, 23927), (18247, 18535)]