208068905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199109}}^1$

素因数の和:199144

約数の個数: 16

約数和(自身を含む): 286718400

約数和(自身を除く): 78649495

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 199109, 995545, 2190199, 3783071, 10950995, 18915355, 41613781, 208068905]

約数ペア:

[(1, 208068905), (5, 41613781), (11, 18915355), (19, 10950995), (55, 3783071), (95, 2190199), (209, 995545), (1045, 199109)]