1243281355

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{17599}}^1$

素因数の和:17874

約数の個数: 16

約数和(自身を含む): 1520640000

約数和(自身を除く): 277358645

約数列:

[1, 5, 71, 199, 355, 995, 14129, 17599, 70645, 87995, 1249529, 3502201, 6247645, 17511005, 248656271, 1243281355]

約数ペア:

[(1, 1243281355), (5, 248656271), (71, 17511005), (199, 6247645), (355, 3502201), (995, 1249529), (14129, 87995), (17599, 70645)]