428382721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 494100000

約数和(自身を除く): 65717279

約数列:

[1, 13, 19, 89, 169, 247, 1157, 1499, 1691, 3211, 15041, 19487, 21983, 28481, 133411, 253331, 285779, 370253, 1734343, 2534809, 4813289, 22546459, 32952517, 428382721]

約数ペア:

[(1, 428382721), (13, 32952517), (19, 22546459), (89, 4813289), (169, 2534809), (247, 1734343), (1157, 370253), (1499, 285779), (1691, 253331), (3211, 133411), (15041, 28481), (19487, 21983)]