28987042

素因数分解:

$2^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1867}}^1$

素因数の和:2985

約数の個数: 16

約数和(自身を含む): 49763520

約数和(自身を除く): 20776478

約数列:

[1, 2, 7, 14, 1109, 1867, 2218, 3734, 7763, 13069, 15526, 26138, 2070503, 4141006, 14493521, 28987042]

約数ペア:

[(1, 28987042), (2, 14493521), (7, 4141006), (14, 2070503), (1109, 26138), (1867, 15526), (2218, 13069), (3734, 7763)]