66747956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{137909}}^1$

素因数の和:137935

約数の個数: 18

約数和(自身を含む): 128394210

約数和(自身を除く): 61646254

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 137909, 275818, 551636, 1516999, 3033998, 6067996, 16686989, 33373978, 66747956]

約数ペア:

[(1, 66747956), (2, 33373978), (4, 16686989), (11, 6067996), (22, 3033998), (44, 1516999), (121, 551636), (242, 275818), (484, 137909)]