12784525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 17255840

約数和(自身を除く): 4471315

約数列:

[1, 5, 13, 25, 65, 139, 283, 325, 695, 1415, 1807, 3475, 3679, 7075, 9035, 18395, 39337, 45175, 91975, 196685, 511381, 983425, 2556905, 12784525]

約数ペア:

[(1, 12784525), (5, 2556905), (13, 983425), (25, 511381), (65, 196685), (139, 91975), (283, 45175), (325, 39337), (695, 18395), (1415, 9035), (1807, 7075), (3475, 3679)]