256723995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1\times {\mathrm{1609}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 448842240

約数和(自身を除く): 192118245

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 967, 1609, 2901, 4827, 4835, 8045, 10637, 14505, 17699, 24135, 31911, 53097, 53185, 88495, 159555, 265485, 1555903, 4667709, 7779515, 17114933, 23338545, 51344799, 85574665, 256723995]

約数ペア:

[(1, 256723995), (3, 85574665), (5, 51344799), (11, 23338545), (15, 17114933), (33, 7779515), (55, 4667709), (165, 1555903), (967, 265485), (1609, 159555), (2901, 88495), (4827, 53185), (4835, 53097), (8045, 31911), (10637, 24135), (14505, 17699)]