210516985

素因数分解:

$5^1\times 7^2\times {\mathrm{827}}^1\times {\mathrm{1039}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 294503040

約数和(自身を除く): 83986055

約数列:

[1, 5, 7, 35, 49, 245, 827, 1039, 4135, 5195, 5789, 7273, 28945, 36365, 40523, 50911, 202615, 254555, 859253, 4296265, 6014771, 30073855, 42103397, 210516985]

約数ペア:

[(1, 210516985), (5, 42103397), (7, 30073855), (35, 6014771), (49, 4296265), (245, 859253), (827, 254555), (1039, 202615), (4135, 50911), (5195, 40523), (5789, 36365), (7273, 28945)]