164647445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{2111}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 208327680

約数和(自身を除く): 43680235

約数列:

[1, 5, 19, 95, 821, 2111, 4105, 10555, 15599, 40109, 77995, 200545, 1733131, 8665655, 32929489, 164647445]

約数ペア:

[(1, 164647445), (5, 32929489), (19, 8665655), (95, 1733131), (821, 200545), (2111, 77995), (4105, 40109), (10555, 15599)]