13387724

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{739}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 26853120

約数和(自身を除く): 13465396

約数列:

[1, 2, 4, 7, 14, 28, 647, 739, 1294, 1478, 2588, 2956, 4529, 5173, 9058, 10346, 18116, 20692, 478133, 956266, 1912532, 3346931, 6693862, 13387724]

約数ペア:

[(1, 13387724), (2, 6693862), (4, 3346931), (7, 1912532), (14, 956266), (28, 478133), (647, 20692), (739, 18116), (1294, 10346), (1478, 9058), (2588, 5173), (2956, 4529)]