218224721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{3923}}^1$

素因数の和:4336

約数の個数: 16

約数和(自身を含む): 257100480

約数和(自身を除く): 38875759

約数列:

[1, 11, 13, 143, 389, 3923, 4279, 5057, 43153, 50999, 55627, 560989, 1526047, 16786517, 19838611, 218224721]

約数ペア:

[(1, 218224721), (11, 19838611), (13, 16786517), (143, 1526047), (389, 560989), (3923, 55627), (4279, 50999), (5057, 43153)]