16121345

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 19958400

約数和(自身を除く): 3837055

約数列:

[1, 5, 43, 167, 215, 449, 835, 2245, 7181, 19307, 35905, 74983, 96535, 374915, 3224269, 16121345]

約数ペア:

[(1, 16121345), (5, 3224269), (43, 374915), (167, 96535), (215, 74983), (449, 35905), (835, 19307), (2245, 7181)]