214950775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12479}}^1$

素因数の和:12555

約数の個数: 24

約数和(自身を含む): 292481280

約数和(自身を除く): 77530505

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 12479, 17225, 62395, 162227, 311975, 661387, 811135, 3306935, 4055675, 8598031, 16534675, 42990155, 214950775]

約数ペア:

[(1, 214950775), (5, 42990155), (13, 16534675), (25, 8598031), (53, 4055675), (65, 3306935), (265, 811135), (325, 661387), (689, 311975), (1325, 162227), (3445, 62395), (12479, 17225)]