2131525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 3017664

約数和(自身を除く): 886139

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 337, 575, 1265, 1685, 3707, 6325, 7751, 8425, 18535, 38755, 85261, 92675, 193775, 426305, 2131525]

約数ペア:

[(1, 2131525), (5, 426305), (11, 193775), (23, 92675), (25, 85261), (55, 38755), (115, 18535), (253, 8425), (275, 7751), (337, 6325), (575, 3707), (1265, 1685)]