139390672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{378779}}^1$

素因数の和:378810

約数の個数: 20

約数和(自身を含む): 281812320

約数和(自身を除く): 142421648

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 378779, 757558, 1515116, 3030232, 6060464, 8711917, 17423834, 34847668, 69695336, 139390672]

約数ペア:

[(1, 139390672), (2, 69695336), (4, 34847668), (8, 17423834), (16, 8711917), (23, 6060464), (46, 3030232), (92, 1515116), (184, 757558), (368, 378779)]