5121025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1$

素因数の和:2281

約数の個数: 24

約数和(自身を含む): 7818944

約数和(自身を除く): 2697919

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2251, 2275, 11255, 15757, 29263, 56275, 78785, 146315, 204841, 393925, 731575, 1024205, 5121025]

約数ペア:

[(1, 5121025), (5, 1024205), (7, 731575), (13, 393925), (25, 204841), (35, 146315), (65, 78785), (91, 56275), (175, 29263), (325, 15757), (455, 11255), (2251, 2275)]