28703129

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 37419840

約数和(自身を除く): 8716711

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1277, 1729, 3211, 8939, 16601, 22477, 24263, 116207, 169841, 215813, 315419, 1510691, 2207933, 4100447, 28703129]

約数ペア:

[(1, 28703129), (7, 4100447), (13, 2207933), (19, 1510691), (91, 315419), (133, 215813), (169, 169841), (247, 116207), (1183, 24263), (1277, 22477), (1729, 16601), (3211, 8939)]