1280507686

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1\times {\mathrm{3637}}^1$

素因数の和:4479

約数の個数: 16

約数和(自身を含む): 1930468320

約数和(自身を除く): 649960634

約数列:

[1, 2, 401, 439, 802, 878, 3637, 7274, 176039, 352078, 1458437, 1596643, 2916874, 3193286, 640253843, 1280507686]

約数ペア:

[(1, 1280507686), (2, 640253843), (401, 3193286), (439, 2916874), (802, 1596643), (878, 1458437), (3637, 352078), (7274, 176039)]