208864205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{122501}}^1$

素因数の和:122548

約数の個数: 16

約数和(自身を含む): 282244608

約数和(自身を除く): 73380403

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 122501, 612505, 1347511, 3797531, 6737555, 18987655, 41772841, 208864205]

約数ペア:

[(1, 208864205), (5, 41772841), (11, 18987655), (31, 6737555), (55, 3797531), (155, 1347511), (341, 612505), (1705, 122501)]