28809136

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16519}}^1$

素因数の和:16636

約数の個数: 20

約数和(自身を含む): 56333200

約数和(自身を除く): 27524064

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16519, 33038, 66076, 132152, 264304, 1800571, 3601142, 7202284, 14404568, 28809136]

約数ペア:

[(1, 28809136), (2, 14404568), (4, 7202284), (8, 3601142), (16, 1800571), (109, 264304), (218, 132152), (436, 66076), (872, 33038), (1744, 16519)]