209945336

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{240763}}^1$

素因数の和:240878

約数の個数: 16

約数和(自身を含む): 397260600

約数和(自身を除く): 187315264

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 240763, 481526, 963052, 1926104, 26243167, 52486334, 104972668, 209945336]

約数ペア:

[(1, 209945336), (2, 104972668), (4, 52486334), (8, 26243167), (109, 1926104), (218, 963052), (436, 481526), (872, 240763)]