12538925

素因数分解:

$5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 17933376

約数和(自身を除く): 5394451

約数列:

[1, 5, 7, 25, 35, 137, 175, 523, 685, 959, 2615, 3425, 3661, 4795, 13075, 18305, 23975, 71651, 91525, 358255, 501557, 1791275, 2507785, 12538925]

約数ペア:

[(1, 12538925), (5, 2507785), (7, 1791275), (25, 501557), (35, 358255), (137, 91525), (175, 71651), (523, 23975), (685, 18305), (959, 13075), (2615, 4795), (3425, 3661)]