67666448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{222587}}^1$

素因数の和:222614

約数の個数: 20

約数和(自身を含む): 138004560

約数和(自身を除く): 70338112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 222587, 445174, 890348, 1780696, 3561392, 4229153, 8458306, 16916612, 33833224, 67666448]

約数ペア:

[(1, 67666448), (2, 33833224), (4, 16916612), (8, 8458306), (16, 4229153), (19, 3561392), (38, 1780696), (76, 890348), (152, 445174), (304, 222587)]