1389343225

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{4817}}^1$

素因数の和:5049

約数の個数: 24

約数和(自身を含む): 1756450080

約数和(自身を除く): 367106855

約数列:

[1, 5, 25, 83, 139, 415, 695, 2075, 3475, 4817, 11537, 24085, 57685, 120425, 288425, 399811, 669563, 1999055, 3347815, 9995275, 16739075, 55573729, 277868645, 1389343225]

約数ペア:

[(1, 1389343225), (5, 277868645), (25, 55573729), (83, 16739075), (139, 9995275), (415, 3347815), (695, 1999055), (2075, 669563), (3475, 399811), (4817, 288425), (11537, 120425), (24085, 57685)]