66212875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31159}}^1$

素因数の和:31191

約数の個数: 16

約数和(自身を含む): 87497280

約数和(自身を除く): 21284405

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 31159, 155795, 529703, 778975, 2648515, 3894875, 13242575, 66212875]

約数ペア:

[(1, 66212875), (5, 13242575), (17, 3894875), (25, 2648515), (85, 778975), (125, 529703), (425, 155795), (2125, 31159)]