208814978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{323243}}^1$

素因数の和:323281

約数の個数: 16

約数和(自身を含む): 349103520

約数和(自身を除く): 140288542

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 323243, 646486, 5495131, 6141617, 10990262, 12283234, 104407489, 208814978]

約数ペア:

[(1, 208814978), (2, 104407489), (17, 12283234), (19, 10990262), (34, 6141617), (38, 5495131), (323, 646486), (646, 323243)]