28183897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 34300800

約数和(自身を除く): 6116903

約数列:

[1, 7, 19, 89, 133, 623, 1691, 2381, 11837, 16667, 45239, 211909, 316673, 1483363, 4026271, 28183897]

約数ペア:

[(1, 28183897), (7, 4026271), (19, 1483363), (89, 316673), (133, 211909), (623, 45239), (1691, 16667), (2381, 11837)]