68986984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1223}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 141445440

約数和(自身を除く): 72458456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 641, 1223, 1282, 2446, 2564, 4892, 5128, 7051, 9784, 13453, 14102, 26906, 28204, 53812, 56408, 107624, 783943, 1567886, 3135772, 6271544, 8623373, 17246746, 34493492, 68986984]

約数ペア:

[(1, 68986984), (2, 34493492), (4, 17246746), (8, 8623373), (11, 6271544), (22, 3135772), (44, 1567886), (88, 783943), (641, 107624), (1223, 56408), (1282, 53812), (2446, 28204), (2564, 26906), (4892, 14102), (5128, 13453), (7051, 9784)]