64438196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{847871}}^1$

素因数の和:847894

約数の個数: 12

約数和(自身を含む): 118702080

約数和(自身を除く): 54263884

約数列:

[1, 2, 4, 19, 38, 76, 847871, 1695742, 3391484, 16109549, 32219098, 64438196]

約数ペア:

[(1, 64438196), (2, 32219098), (4, 16109549), (19, 3391484), (38, 1695742), (76, 847871)]