51420404

素因数分解:

$2^2\times 7^2\times {\mathrm{262349}}^1$

素因数の和:262367

約数の個数: 18

約数和(自身を含む): 104677650

約数和(自身を除く): 53257246

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 262349, 524698, 1049396, 1836443, 3672886, 7345772, 12855101, 25710202, 51420404]

約数ペア:

[(1, 51420404), (2, 25710202), (4, 12855101), (7, 7345772), (14, 3672886), (28, 1836443), (49, 1049396), (98, 524698), (196, 262349)]