28807394

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{26723}}^1$

素因数の和:26750

約数の個数: 24

約数和(自身を含む): 54837648

約数和(自身を除く): 26030254

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 26723, 53446, 187061, 293953, 374122, 587906, 1309427, 2057671, 2618854, 4115342, 14403697, 28807394]

約数ペア:

[(1, 28807394), (2, 14403697), (7, 4115342), (11, 2618854), (14, 2057671), (22, 1309427), (49, 587906), (77, 374122), (98, 293953), (154, 187061), (539, 53446), (1078, 26723)]