26978378

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 47713536

約数和(自身を除く): 20735158

約数列:

[1, 2, 7, 14, 53, 103, 106, 206, 353, 371, 706, 721, 742, 1442, 2471, 4942, 5459, 10918, 18709, 36359, 37418, 38213, 72718, 76426, 130963, 254513, 261926, 509026, 1927027, 3854054, 13489189, 26978378]

約数ペア:

[(1, 26978378), (2, 13489189), (7, 3854054), (14, 1927027), (53, 509026), (103, 261926), (106, 254513), (206, 130963), (353, 76426), (371, 72718), (706, 38213), (721, 37418), (742, 36359), (1442, 18709), (2471, 10918), (4942, 5459)]