205509218

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{2339}}^1$

素因数の和:2761

約数の個数: 16

約数和(自身を含む): 311351040

約数和(自身を除く): 105841822

約数列:

[1, 2, 197, 223, 394, 446, 2339, 4678, 43931, 87862, 460783, 521597, 921566, 1043194, 102754609, 205509218]

約数ペア:

[(1, 205509218), (2, 102754609), (197, 1043194), (223, 921566), (394, 521597), (446, 460783), (2339, 87862), (4678, 43931)]