391615985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{12721}}^1$

素因数の和:12904

約数の個数: 16

約数和(自身を含む): 483639552

約数和(自身を除く): 92023567

約数列:

[1, 5, 47, 131, 235, 655, 6157, 12721, 30785, 63605, 597887, 1666451, 2989435, 8332255, 78323197, 391615985]

約数ペア:

[(1, 391615985), (5, 78323197), (47, 8332255), (131, 2989435), (235, 1666451), (655, 597887), (6157, 63605), (12721, 30785)]