28613975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5179}}^1$

素因数の和:5219

約数の個数: 24

約数和(自身を含む): 40466160

約数和(自身を除く): 11852185

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5179, 5525, 25895, 67327, 88043, 129475, 336635, 440215, 1144559, 1683175, 2201075, 5722795, 28613975]

約数ペア:

[(1, 28613975), (5, 5722795), (13, 2201075), (17, 1683175), (25, 1144559), (65, 440215), (85, 336635), (221, 129475), (325, 88043), (425, 67327), (1105, 25895), (5179, 5525)]