640338501754

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{626554307}}^1$

素因数の和:626554389

約数の個数: 16

約数和(自身を含む): 1112760451008

約数和(自身を除く): 472421949254

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 626554307, 1253108614, 4385880149, 8771760298, 45738464411, 91476928822, 320169250877, 640338501754]

約数ペア:

[(1, 640338501754), (2, 320169250877), (7, 91476928822), (14, 45738464411), (73, 8771760298), (146, 4385880149), (511, 1253108614), (1022, 626554307)]