66489968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218717}}^1$

素因数の和:218744

約数の個数: 20

約数和(自身を含む): 135605160

約数和(自身を除く): 69115192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218717, 437434, 874868, 1749736, 3499472, 4155623, 8311246, 16622492, 33244984, 66489968]

約数ペア:

[(1, 66489968), (2, 33244984), (4, 16622492), (8, 8311246), (16, 4155623), (19, 3499472), (38, 1749736), (76, 874868), (152, 437434), (304, 218717)]