25195751

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 32400000

約数和(自身を除く): 7204249

約数列:

[1, 7, 17, 29, 49, 119, 149, 203, 343, 493, 833, 1043, 1421, 2533, 3451, 4321, 5831, 7301, 9947, 17731, 24157, 30247, 51107, 73457, 124117, 169099, 211729, 514199, 868819, 1482103, 3599393, 25195751]

約数ペア:

[(1, 25195751), (7, 3599393), (17, 1482103), (29, 868819), (49, 514199), (119, 211729), (149, 169099), (203, 124117), (343, 73457), (493, 51107), (833, 30247), (1043, 24157), (1421, 17731), (2533, 9947), (3451, 7301), (4321, 5831)]