78215998

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{43991}}^1$

素因数の和:44127

約数の個数: 16

約数和(自身を含む): 135143424

約数和(自身を除く): 56927426

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 43991, 87982, 307937, 615874, 5586857, 11173714, 39107999, 78215998]

約数ペア:

[(1, 78215998), (2, 39107999), (7, 11173714), (14, 5586857), (127, 615874), (254, 307937), (889, 87982), (1778, 43991)]