81872008

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{27437}}^1$

素因数の和:27816

約数の個数: 16

約数和(自身を含む): 153927180

約数和(自身を除く): 72055172

約数列:

[1, 2, 4, 8, 373, 746, 1492, 2984, 27437, 54874, 109748, 219496, 10234001, 20468002, 40936004, 81872008]

約数ペア:

[(1, 81872008), (2, 40936004), (4, 20468002), (8, 10234001), (373, 219496), (746, 109748), (1492, 54874), (2984, 27437)]