311983189

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 382187520

約数和(自身を除く): 70204331

約数列:

[1, 7, 29, 43, 103, 203, 301, 347, 721, 1247, 2429, 2987, 4429, 8729, 10063, 14921, 20909, 31003, 35741, 70441, 104447, 128441, 250187, 432709, 899087, 1036489, 1536863, 3028963, 7255423, 10758041, 44569027, 311983189]

約数ペア:

[(1, 311983189), (7, 44569027), (29, 10758041), (43, 7255423), (103, 3028963), (203, 1536863), (301, 1036489), (347, 899087), (721, 432709), (1247, 250187), (2429, 128441), (2987, 104447), (4429, 70441), (8729, 35741), (10063, 31003), (14921, 20909)]