4256885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 5504112

約数和(自身を除く): 1247227

約数列:

[1, 5, 17, 61, 85, 305, 821, 1037, 4105, 5185, 13957, 50081, 69785, 250405, 851377, 4256885]

約数ペア:

[(1, 4256885), (5, 851377), (17, 250405), (61, 69785), (85, 50081), (305, 13957), (821, 5185), (1037, 4105)]