1390670255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 1829132928

約数和(自身を除く): 438462673

約数列:

[1, 5, 13, 65, 71, 355, 541, 557, 923, 2705, 2785, 4615, 7033, 7241, 35165, 36205, 38411, 39547, 192055, 197735, 301337, 499343, 514111, 1506685, 2496715, 2570555, 3917381, 19586905, 21394927, 106974635, 278134051, 1390670255]

約数ペア:

[(1, 1390670255), (5, 278134051), (13, 106974635), (65, 21394927), (71, 19586905), (355, 3917381), (541, 2570555), (557, 2496715), (923, 1506685), (2705, 514111), (2785, 499343), (4615, 301337), (7033, 197735), (7241, 192055), (35165, 39547), (36205, 38411)]