12978070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{185401}}^1$

素因数の和:185415

約数の個数: 16

約数和(自身を含む): 26697888

約数和(自身を除く): 13719818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 185401, 370802, 927005, 1297807, 1854010, 2595614, 6489035, 12978070]

約数ペア:

[(1, 12978070), (2, 6489035), (5, 2595614), (7, 1854010), (10, 1297807), (14, 927005), (35, 370802), (70, 185401)]