387681434

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{208207}}^1$

素因数の和:208242

約数の個数: 24

約数和(自身を含む): 712071360

約数和(自身を除く): 324389926

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 208207, 416414, 1457449, 2914898, 3955933, 7911866, 10202143, 20404286, 27691531, 55383062, 193840717, 387681434]

約数ペア:

[(1, 387681434), (2, 193840717), (7, 55383062), (14, 27691531), (19, 20404286), (38, 10202143), (49, 7911866), (98, 3955933), (133, 2914898), (266, 1457449), (931, 416414), (1862, 208207)]