25900021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 31350400

約数和(自身を除く): 5450379

約数列:

[1, 7, 19, 133, 193, 1009, 1351, 3667, 7063, 19171, 25669, 134197, 194737, 1363159, 3700003, 25900021]

約数ペア:

[(1, 25900021), (7, 3700003), (19, 1363159), (133, 194737), (193, 134197), (1009, 25669), (1351, 19171), (3667, 7063)]