25690413

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 43215360

約数和(自身を除く): 17524947

約数列:

[1, 3, 7, 19, 21, 31, 57, 67, 93, 133, 201, 217, 399, 469, 589, 651, 961, 1273, 1407, 1767, 2077, 2883, 3819, 4123, 6231, 6727, 8911, 12369, 14539, 18259, 20181, 26733, 39463, 43617, 54777, 64387, 118389, 127813, 193161, 276241, 383439, 450709, 828723, 1223353, 1352127, 3670059, 8563471, 25690413]

約数ペア:

[(1, 25690413), (3, 8563471), (7, 3670059), (19, 1352127), (21, 1223353), (31, 828723), (57, 450709), (67, 383439), (93, 276241), (133, 193161), (201, 127813), (217, 118389), (399, 64387), (469, 54777), (589, 43617), (651, 39463), (961, 26733), (1273, 20181), (1407, 18259), (1767, 14539), (2077, 12369), (2883, 8911), (3819, 6727), (4123, 6231)]