208719038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{21611}}^1$

素因数の和:22063

約数の個数: 16

約数和(自身を含む): 342334080

約数和(自身を除く): 133615042

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 21611, 43222, 237721, 475442, 9487229, 18974458, 104359519, 208719038]

約数ペア:

[(1, 208719038), (2, 104359519), (11, 18974458), (22, 9487229), (439, 475442), (878, 237721), (4829, 43222), (9658, 21611)]