205890278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{217643}}^1$

素因数の和:217699

約数の個数: 16

約数和(自身を含む): 344748096

約数和(自身を除く): 138857818

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 217643, 435286, 2394073, 4788146, 9358649, 18717298, 102945139, 205890278]

約数ペア:

[(1, 205890278), (2, 102945139), (11, 18717298), (22, 9358649), (43, 4788146), (86, 2394073), (473, 435286), (946, 217643)]