139217456

素因数分解:

$2^4\times 7^1\times {\mathrm{1243013}}^1$

素因数の和:1243028

約数の個数: 20

約数和(自身を含む): 308267472

約数和(自身を除く): 169050016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1243013, 2486026, 4972052, 8701091, 9944104, 17402182, 19888208, 34804364, 69608728, 139217456]

約数ペア:

[(1, 139217456), (2, 69608728), (4, 34804364), (7, 19888208), (8, 17402182), (14, 9944104), (16, 8701091), (28, 4972052), (56, 2486026), (112, 1243013)]