66972455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 91584000

約数和(自身を除く): 24611545

約数列:

[1, 5, 11, 29, 55, 145, 199, 211, 319, 995, 1055, 1595, 2189, 2321, 5771, 6119, 10945, 11605, 28855, 30595, 41989, 63481, 67309, 209945, 317405, 336545, 461879, 1217681, 2309395, 6088405, 13394491, 66972455]

約数ペア:

[(1, 66972455), (5, 13394491), (11, 6088405), (29, 2309395), (55, 1217681), (145, 461879), (199, 336545), (211, 317405), (319, 209945), (995, 67309), (1055, 63481), (1595, 41989), (2189, 30595), (2321, 28855), (5771, 11605), (6119, 10945)]