280432894

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1054259}}^1$

素因数の和:1054287

約数の個数: 16

約数和(自身を含む): 506044800

約数和(自身を除く): 225611906

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1054259, 2108518, 7379813, 14759626, 20030921, 40061842, 140216447, 280432894]

約数ペア:

[(1, 280432894), (2, 140216447), (7, 40061842), (14, 20030921), (19, 14759626), (38, 7379813), (133, 2108518), (266, 1054259)]