198500990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{182111}}^1$

素因数の和:182227

約数の個数: 16

約数和(自身を含む): 360581760

約数和(自身を除く): 162080770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 182111, 364222, 910555, 1821110, 19850099, 39700198, 99250495, 198500990]

約数ペア:

[(1, 198500990), (2, 99250495), (5, 39700198), (10, 19850099), (109, 1821110), (218, 910555), (545, 364222), (1090, 182111)]