209900534

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1\times {\mathrm{1663}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 317571072

約数和(自身を除く): 107670538

約数列:

[1, 2, 223, 283, 446, 566, 1663, 3326, 63109, 126218, 370849, 470629, 741698, 941258, 104950267, 209900534]

約数ペア:

[(1, 209900534), (2, 104950267), (223, 941258), (283, 741698), (446, 470629), (566, 370849), (1663, 126218), (3326, 63109)]