221496190

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{49331}}^1$

素因数の和:49787

約数の個数: 16

約数和(自身を含む): 399589200

約数和(自身を除く): 178093010

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 49331, 98662, 246655, 493310, 22149619, 44299238, 110748095, 221496190]

約数ペア:

[(1, 221496190), (2, 110748095), (5, 44299238), (10, 22149619), (449, 493310), (898, 246655), (2245, 98662), (4490, 49331)]