86904784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{285871}}^1$

素因数の和:285898

約数の個数: 20

約数和(自身を含む): 177240640

約数和(自身を除く): 90335856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 285871, 571742, 1143484, 2286968, 4573936, 5431549, 10863098, 21726196, 43452392, 86904784]

約数ペア:

[(1, 86904784), (2, 43452392), (4, 21726196), (8, 10863098), (16, 5431549), (19, 4573936), (38, 2286968), (76, 1143484), (152, 571742), (304, 285871)]