207649616

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{193703}}^1$

素因数の和:193778

約数の個数: 20

約数和(自身を含む): 408328032

約数和(自身を除く): 200678416

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 193703, 387406, 774812, 1549624, 3099248, 12978101, 25956202, 51912404, 103824808, 207649616]

約数ペア:

[(1, 207649616), (2, 103824808), (4, 51912404), (8, 25956202), (16, 12978101), (67, 3099248), (134, 1549624), (268, 774812), (536, 387406), (1072, 193703)]