28743568

素因数分解:

$2^4\times 7^1\times {\mathrm{256639}}^1$

素因数の和:256654

約数の個数: 20

約数和(自身を含む): 63646720

約数和(自身を除く): 34903152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 256639, 513278, 1026556, 1796473, 2053112, 3592946, 4106224, 7185892, 14371784, 28743568]

約数ペア:

[(1, 28743568), (2, 14371784), (4, 7185892), (7, 4106224), (8, 3592946), (14, 2053112), (16, 1796473), (28, 1026556), (56, 513278), (112, 256639)]