221569736

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{54413}}^1$

素因数の和:54928

約数の個数: 16

約数和(自身を含む): 416267100

約数和(自身を除く): 194697364

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 54413, 108826, 217652, 435304, 27696217, 55392434, 110784868, 221569736]

約数ペア:

[(1, 221569736), (2, 110784868), (4, 55392434), (8, 27696217), (509, 435304), (1018, 217652), (2036, 108826), (4072, 54413)]