126880784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{417371}}^1$

素因数の和:417398

約数の個数: 20

約数和(自身を含む): 258770640

約数和(自身を除く): 131889856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 417371, 834742, 1669484, 3338968, 6677936, 7930049, 15860098, 31720196, 63440392, 126880784]

約数ペア:

[(1, 126880784), (2, 63440392), (4, 31720196), (8, 15860098), (16, 7930049), (19, 6677936), (38, 3338968), (76, 1669484), (152, 834742), (304, 417371)]