28312907

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1103}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 34268160

約数和(自身を除く): 5955253

約数列:

[1, 7, 19, 133, 193, 1103, 1351, 3667, 7721, 20957, 25669, 146699, 212879, 1490153, 4044701, 28312907]

約数ペア:

[(1, 28312907), (7, 4044701), (19, 1490153), (133, 212879), (193, 146699), (1103, 25669), (1351, 20957), (3667, 7721)]