247569217

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2053}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 303466176

約数和(自身を除く): 55896959

約数列:

[1, 7, 23, 49, 107, 161, 749, 1127, 2053, 2461, 5243, 14371, 17227, 47219, 100597, 120589, 219671, 330533, 1537697, 2313731, 5052433, 10763879, 35367031, 247569217]

約数ペア:

[(1, 247569217), (7, 35367031), (23, 10763879), (49, 5052433), (107, 2313731), (161, 1537697), (749, 330533), (1127, 219671), (2053, 120589), (2461, 100597), (5243, 47219), (14371, 17227)]