42186305

素因数分解:

$5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 59172840

約数和(自身を除く): 16986535

約数列:

[1, 5, 7, 35, 49, 245, 409, 421, 2045, 2105, 2863, 2947, 14315, 14735, 20041, 20629, 100205, 103145, 172189, 860945, 1205323, 6026615, 8437261, 42186305]

約数ペア:

[(1, 42186305), (5, 8437261), (7, 6026615), (35, 1205323), (49, 860945), (245, 172189), (409, 103145), (421, 100205), (2045, 20629), (2105, 20041), (2863, 14735), (2947, 14315)]