28550270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{407861}}^1$

素因数の和:407875

約数の個数: 16

約数和(自身を含む): 58732128

約数和(自身を除く): 30181858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 407861, 815722, 2039305, 2855027, 4078610, 5710054, 14275135, 28550270]

約数ペア:

[(1, 28550270), (2, 14275135), (5, 5710054), (7, 4078610), (10, 2855027), (14, 2039305), (35, 815722), (70, 407861)]