206398672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{678943}}^1$

素因数の和:678970

約数の個数: 20

約数和(自身を含む): 420945280

約数和(自身を除く): 214546608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 678943, 1357886, 2715772, 5431544, 10863088, 12899917, 25799834, 51599668, 103199336, 206398672]

約数ペア:

[(1, 206398672), (2, 103199336), (4, 51599668), (8, 25799834), (16, 12899917), (19, 10863088), (38, 5431544), (76, 2715772), (152, 1357886), (304, 678943)]