28417961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 35392896

約数和(自身を除く): 6974935

約数列:

[1, 11, 13, 37, 41, 131, 143, 407, 451, 481, 533, 1441, 1517, 1703, 4847, 5291, 5371, 5863, 16687, 18733, 19721, 53317, 59081, 63011, 69823, 198727, 216931, 693121, 768053, 2185997, 2583451, 28417961]

約数ペア:

[(1, 28417961), (11, 2583451), (13, 2185997), (37, 768053), (41, 693121), (131, 216931), (143, 198727), (407, 69823), (451, 63011), (481, 59081), (533, 53317), (1441, 19721), (1517, 18733), (1703, 16687), (4847, 5863), (5291, 5371)]