197486513

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{212123}}^1$

素因数の和:212156

約数の個数: 12

約数和(自身を含む): 241821360

約数和(自身を除く): 44334847

約数列:

[1, 7, 19, 49, 133, 931, 212123, 1484861, 4030337, 10394027, 28212359, 197486513]

約数ペア:

[(1, 197486513), (7, 28212359), (19, 10394027), (49, 4030337), (133, 1484861), (931, 212123)]