8709025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 11777024

約数和(自身を除く): 3067999

約数列:

[1, 5, 13, 25, 65, 127, 211, 325, 635, 1055, 1651, 2743, 3175, 5275, 8255, 13715, 26797, 41275, 68575, 133985, 348361, 669925, 1741805, 8709025]

約数ペア:

[(1, 8709025), (5, 1741805), (13, 669925), (25, 348361), (65, 133985), (127, 68575), (211, 41275), (325, 26797), (635, 13715), (1055, 8255), (1651, 5275), (2743, 3175)]