66127621

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 78249600

約数和(自身を除く): 12121979

約数列:

[1, 7, 37, 131, 259, 917, 1949, 4847, 13643, 33929, 72113, 255319, 504791, 1787233, 9446803, 66127621]

約数ペア:

[(1, 66127621), (7, 9446803), (37, 1787233), (131, 504791), (259, 255319), (917, 72113), (1949, 33929), (4847, 13643)]