31151110

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28579}}^1$

素因数の和:28695

約数の個数: 16

約数和(自身を含む): 56588400

約数和(自身を除く): 25437290

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28579, 57158, 142895, 285790, 3115111, 6230222, 15575555, 31151110]

約数ペア:

[(1, 31151110), (2, 15575555), (5, 6230222), (10, 3115111), (109, 285790), (218, 142895), (545, 57158), (1090, 28579)]