25805164

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11969}}^1$

素因数の和:11998

約数の個数: 36

約数和(自身を含む): 57312360

約数和(自身を除く): 31507196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 11969, 23938, 47876, 83783, 131659, 167566, 263318, 335132, 526636, 586481, 921613, 1172962, 1843226, 2345924, 3686452, 6451291, 12902582, 25805164]

約数ペア:

[(1, 25805164), (2, 12902582), (4, 6451291), (7, 3686452), (11, 2345924), (14, 1843226), (22, 1172962), (28, 921613), (44, 586481), (49, 526636), (77, 335132), (98, 263318), (154, 167566), (196, 131659), (308, 83783), (539, 47876), (1078, 23938), (2156, 11969)]