205740865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{162641}}^1$

素因数の和:162680

約数の個数: 16

約数和(自身を含む): 281045376

約数和(自身を除く): 75304511

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 162641, 813205, 1789051, 3740743, 8945255, 18703715, 41148173, 205740865]

約数ペア:

[(1, 205740865), (5, 41148173), (11, 18703715), (23, 8945255), (55, 3740743), (115, 1789051), (253, 813205), (1265, 162641)]