28488670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{406981}}^1$

素因数の和:406995

約数の個数: 16

約数和(自身を含む): 58605408

約数和(自身を除く): 30116738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 406981, 813962, 2034905, 2848867, 4069810, 5697734, 14244335, 28488670]

約数ペア:

[(1, 28488670), (2, 14244335), (5, 5697734), (7, 4069810), (10, 2848867), (14, 2034905), (35, 813962), (70, 406981)]