128898070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1841401}}^1$

素因数の和:1841415

約数の個数: 16

約数和(自身を含む): 265161888

約数和(自身を除く): 136263818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1841401, 3682802, 9207005, 12889807, 18414010, 25779614, 64449035, 128898070]

約数ペア:

[(1, 128898070), (2, 64449035), (5, 25779614), (7, 18414010), (10, 12889807), (14, 9207005), (35, 3682802), (70, 1841401)]