66220784

素因数分解:

$2^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1889}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 147178080

約数和(自身を除く): 80957296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 313, 626, 1252, 1889, 2191, 2504, 3778, 4382, 5008, 7556, 8764, 13223, 15112, 17528, 26446, 30224, 35056, 52892, 105784, 211568, 591257, 1182514, 2365028, 4138799, 4730056, 8277598, 9460112, 16555196, 33110392, 66220784]

約数ペア:

[(1, 66220784), (2, 33110392), (4, 16555196), (7, 9460112), (8, 8277598), (14, 4730056), (16, 4138799), (28, 2365028), (56, 1182514), (112, 591257), (313, 211568), (626, 105784), (1252, 52892), (1889, 35056), (2191, 30224), (2504, 26446), (3778, 17528), (4382, 15112), (5008, 13223), (7556, 8764)]