168521488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{554347}}^1$

素因数の和:554374

約数の個数: 20

約数和(自身を含む): 343695760

約数和(自身を除く): 175174272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 554347, 1108694, 2217388, 4434776, 8869552, 10532593, 21065186, 42130372, 84260744, 168521488]

約数ペア:

[(1, 168521488), (2, 84260744), (4, 42130372), (8, 21065186), (16, 10532593), (19, 8869552), (38, 4434776), (76, 2217388), (152, 1108694), (304, 554347)]