205428368

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{313153}}^1$

素因数の和:313202

約数の個数: 20

約数和(自身を含む): 407726508

約数和(自身を除く): 202298140

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 313153, 626306, 1252612, 2505224, 5010448, 12839273, 25678546, 51357092, 102714184, 205428368]

約数ペア:

[(1, 205428368), (2, 102714184), (4, 51357092), (8, 25678546), (16, 12839273), (41, 5010448), (82, 2505224), (164, 1252612), (328, 626306), (656, 313153)]