28134421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1063}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 34048000

約数和(自身を除く): 5913579

約数列:

[1, 7, 19, 133, 199, 1063, 1393, 3781, 7441, 20197, 26467, 141379, 211537, 1480759, 4019203, 28134421]

約数ペア:

[(1, 28134421), (7, 4019203), (19, 1480759), (133, 211537), (199, 141379), (1063, 26467), (1393, 20197), (3781, 7441)]