209532988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393859}}^1$

素因数の和:393889

約数の個数: 24

約数和(自身を含む): 441123200

約数和(自身を除く): 231590212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 393859, 787718, 1575436, 2757013, 5514026, 7483321, 11028052, 14966642, 29933284, 52383247, 104766494, 209532988]

約数ペア:

[(1, 209532988), (2, 104766494), (4, 52383247), (7, 29933284), (14, 14966642), (19, 11028052), (28, 7483321), (38, 5514026), (76, 2757013), (133, 1575436), (266, 787718), (532, 393859)]