1997404

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 3684240

約数和(自身を除く): 1686836

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 257, 268, 514, 1028, 1943, 3886, 7453, 7772, 14906, 17219, 29812, 34438, 68876, 499351, 998702, 1997404]

約数ペア:

[(1, 1997404), (2, 998702), (4, 499351), (29, 68876), (58, 34438), (67, 29812), (116, 17219), (134, 14906), (257, 7772), (268, 7453), (514, 3886), (1028, 1943)]