256220784

素因数分解:

$2^4\times 3^2\times {\mathrm{1779311}}^1$

素因数の和:1779325

約数の個数: 30

約数和(自身を含む): 717062736

約数和(自身を除く): 460841952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1779311, 3558622, 5337933, 7117244, 10675866, 14234488, 16013799, 21351732, 28468976, 32027598, 42703464, 64055196, 85406928, 128110392, 256220784]

約数ペア:

[(1, 256220784), (2, 128110392), (3, 85406928), (4, 64055196), (6, 42703464), (8, 32027598), (9, 28468976), (12, 21351732), (16, 16013799), (18, 14234488), (24, 10675866), (36, 7117244), (48, 5337933), (72, 3558622), (144, 1779311)]