28351211

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3613}}^1$

素因数の和:3698

約数の個数: 16

約数和(自身を含む): 34694400

約数和(自身を除く): 6343189

約数列:

[1, 7, 19, 59, 133, 413, 1121, 3613, 7847, 25291, 68647, 213167, 480529, 1492169, 4050173, 28351211]

約数ペア:

[(1, 28351211), (7, 4050173), (19, 1492169), (59, 480529), (133, 213167), (413, 68647), (1121, 25291), (3613, 7847)]