26857025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4861}}^1$

素因数の和:4901

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 11124919

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 4861, 5525, 24305, 63193, 82637, 121525, 315965, 413185, 1074281, 1579825, 2065925, 5371405, 26857025]

約数ペア:

[(1, 26857025), (5, 5371405), (13, 2065925), (17, 1579825), (25, 1074281), (65, 413185), (85, 315965), (221, 121525), (325, 82637), (425, 63193), (1105, 24305), (4861, 5525)]