66667748

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{7607}}^1$

素因数の和:7931

約数の個数: 24

約数和(自身を含む): 133779072

約数和(自身を除く): 67111324

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 7607, 8764, 15214, 30428, 53249, 106498, 212996, 2380991, 4761982, 9523964, 16666937, 33333874, 66667748]

約数ペア:

[(1, 66667748), (2, 33333874), (4, 16666937), (7, 9523964), (14, 4761982), (28, 2380991), (313, 212996), (626, 106498), (1252, 53249), (2191, 30428), (4382, 15214), (7607, 8764)]