205328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 20

約数和(自身を含む): 408828

約数和(自身を除く): 203500

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 313, 328, 626, 656, 1252, 2504, 5008, 12833, 25666, 51332, 102664, 205328]

約数ペア:

[(1, 205328), (2, 102664), (4, 51332), (8, 25666), (16, 12833), (41, 5008), (82, 2504), (164, 1252), (313, 656), (328, 626)]