890689156

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{2843}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 1819431936

約数和(自身を除く): 928742780

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 167, 268, 334, 469, 668, 938, 1169, 1876, 2338, 2843, 4676, 5686, 11189, 11372, 19901, 22378, 39802, 44756, 78323, 79604, 156646, 190481, 313292, 380962, 474781, 761924, 949562, 1333367, 1899124, 2666734, 3323467, 5333468, 6646934, 13293868, 31810327, 63620654, 127241308, 222672289, 445344578, 890689156]

約数ペア:

[(1, 890689156), (2, 445344578), (4, 222672289), (7, 127241308), (14, 63620654), (28, 31810327), (67, 13293868), (134, 6646934), (167, 5333468), (268, 3323467), (334, 2666734), (469, 1899124), (668, 1333367), (938, 949562), (1169, 761924), (1876, 474781), (2338, 380962), (2843, 313292), (4676, 190481), (5686, 156646), (11189, 79604), (11372, 78323), (19901, 44756), (22378, 39802)]