155751568

素因数分解:

$2^4\times 7^1\times {\mathrm{1390639}}^1$

素因数の和:1390654

約数の個数: 20

約数和(自身を含む): 344878720

約数和(自身を除く): 189127152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1390639, 2781278, 5562556, 9734473, 11125112, 19468946, 22250224, 38937892, 77875784, 155751568]

約数ペア:

[(1, 155751568), (2, 77875784), (4, 38937892), (7, 22250224), (8, 19468946), (14, 11125112), (16, 9734473), (28, 5562556), (56, 2781278), (112, 1390639)]