28082525

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 36009600

約数和(自身を除く): 7927075

約数列:

[1, 5, 25, 59, 79, 241, 295, 395, 1205, 1475, 1975, 4661, 6025, 14219, 19039, 23305, 71095, 95195, 116525, 355475, 475975, 1123301, 5616505, 28082525]

約数ペア:

[(1, 28082525), (5, 5616505), (25, 1123301), (59, 475975), (79, 355475), (241, 116525), (295, 95195), (395, 71095), (1205, 23305), (1475, 19039), (1975, 14219), (4661, 6025)]