639659519

素因数分解:

${\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:3046

約数の個数: 16

約数和(自身を含む): 672592896

約数和(自身を除く): 32933377

約数列:

[1, 47, 67, 71, 2861, 3149, 3337, 4757, 134467, 191687, 203131, 223579, 9009289, 9547157, 13609777, 639659519]

約数ペア:

[(1, 639659519), (47, 13609777), (67, 9547157), (71, 9009289), (2861, 223579), (3149, 203131), (3337, 191687), (4757, 134467)]