1640991781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1\times {\mathrm{9619}}^1$

素因数の和:10836

約数の個数: 16

約数和(自身を含む): 1929695040

約数和(自身を除く): 288703259

約数列:

[1, 11, 13, 143, 1193, 9619, 13123, 15509, 105809, 125047, 170599, 1375517, 11475467, 126230137, 149181071, 1640991781]

約数ペア:

[(1, 1640991781), (11, 149181071), (13, 126230137), (143, 11475467), (1193, 1375517), (9619, 170599), (13123, 125047), (15509, 105809)]