64528639

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 80898048

約数和(自身を除く): 16369409

約数列:

[1, 7, 23, 31, 49, 161, 217, 713, 1127, 1519, 1847, 4991, 12929, 34937, 42481, 57257, 90503, 297367, 400799, 1316911, 2081569, 2805593, 9218377, 64528639]

約数ペア:

[(1, 64528639), (7, 9218377), (23, 2805593), (31, 2081569), (49, 1316911), (161, 400799), (217, 297367), (713, 90503), (1127, 57257), (1519, 42481), (1847, 34937), (4991, 12929)]