978183425

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{3209}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 1235914200

約数和(自身を除く): 257730775

約数列:

[1, 5, 25, 89, 137, 445, 685, 2225, 3209, 3425, 12193, 16045, 60965, 80225, 285601, 304825, 439633, 1428005, 2198165, 7140025, 10990825, 39127337, 195636685, 978183425]

約数ペア:

[(1, 978183425), (5, 195636685), (25, 39127337), (89, 10990825), (137, 7140025), (445, 2198165), (685, 1428005), (2225, 439633), (3209, 304825), (3425, 285601), (12193, 80225), (16045, 60965)]