128839795

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 180956160

約数和(自身を除く): 52116365

約数列:

[1, 5, 7, 35, 71, 139, 355, 373, 497, 695, 973, 1865, 2485, 2611, 4865, 9869, 13055, 26483, 49345, 51847, 69083, 132415, 185381, 259235, 345415, 362929, 926905, 1814645, 3681137, 18405685, 25767959, 128839795]

約数ペア:

[(1, 128839795), (5, 25767959), (7, 18405685), (35, 3681137), (71, 1814645), (139, 926905), (355, 362929), (373, 345415), (497, 259235), (695, 185381), (973, 132415), (1865, 69083), (2485, 51847), (2611, 49345), (4865, 26483), (9869, 13055)]