28931525

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5333}}^1$

素因数の和:5381

約数の個数: 24

約数和(自身を含む): 42330624

約数和(自身を除く): 13399099

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5333, 5425, 26665, 37331, 133325, 165323, 186655, 826615, 933275, 1157261, 4133075, 5786305, 28931525]

約数ペア:

[(1, 28931525), (5, 5786305), (7, 4133075), (25, 1157261), (31, 933275), (35, 826615), (155, 186655), (175, 165323), (217, 133325), (775, 37331), (1085, 26665), (5333, 5425)]