349315228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{20611}}^1$

素因数の和:20857

約数の個数: 24

約数和(自身を含む): 646392320

約数和(自身を除く): 297077092

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 4237, 8474, 16948, 20611, 41222, 82444, 391609, 783218, 1566436, 4596253, 9192506, 18385012, 87328807, 174657614, 349315228]

約数ペア:

[(1, 349315228), (2, 174657614), (4, 87328807), (19, 18385012), (38, 9192506), (76, 4596253), (223, 1566436), (446, 783218), (892, 391609), (4237, 82444), (8474, 41222), (16948, 20611)]