66533470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 123171840

約数和(自身を除く): 56638370

約数列:

[1, 2, 5, 10, 43, 86, 215, 359, 430, 431, 718, 862, 1795, 2155, 3590, 4310, 15437, 18533, 30874, 37066, 77185, 92665, 154370, 154729, 185330, 309458, 773645, 1547290, 6653347, 13306694, 33266735, 66533470]

約数ペア:

[(1, 66533470), (2, 33266735), (5, 13306694), (10, 6653347), (43, 1547290), (86, 773645), (215, 309458), (359, 185330), (430, 154729), (431, 154370), (718, 92665), (862, 77185), (1795, 37066), (2155, 30874), (3590, 18533), (4310, 15437)]