128134546878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{2440937}}^1$

素因数の和:2441628

約数の個数: 32

約数和(自身を含む): 276392291616

約数和(自身を除く): 148257744738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 673, 1346, 2019, 4038, 8749, 17498, 26247, 52494, 2440937, 4881874, 7322811, 14645622, 31732181, 63464362, 95196543, 190393086, 1642750601, 3285501202, 4928251803, 9856503606, 21355757813, 42711515626, 64067273439, 128134546878]

約数ペア:

[(1, 128134546878), (2, 64067273439), (3, 42711515626), (6, 21355757813), (13, 9856503606), (26, 4928251803), (39, 3285501202), (78, 1642750601), (673, 190393086), (1346, 95196543), (2019, 63464362), (4038, 31732181), (8749, 14645622), (17498, 7322811), (26247, 4881874), (52494, 2440937)]