136428025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 173464344

約数和(自身を除く): 37036319

約数列:

[1, 5, 25, 61, 137, 305, 653, 685, 1525, 3265, 3425, 8357, 16325, 39833, 41785, 89461, 199165, 208925, 447305, 995825, 2236525, 5457121, 27285605, 136428025]

約数ペア:

[(1, 136428025), (5, 27285605), (25, 5457121), (61, 2236525), (137, 995825), (305, 447305), (653, 208925), (685, 199165), (1525, 89461), (3265, 41785), (3425, 39833), (8357, 16325)]