128688508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 252165760

約数和(自身を除く): 123477252

約数列:

[1, 2, 4, 13, 26, 43, 52, 67, 86, 134, 172, 268, 559, 859, 871, 1118, 1718, 1742, 2236, 2881, 3436, 3484, 5762, 11167, 11524, 22334, 36937, 37453, 44668, 57553, 73874, 74906, 115106, 147748, 149812, 230212, 480181, 748189, 960362, 1496378, 1920724, 2474779, 2992756, 4949558, 9899116, 32172127, 64344254, 128688508]

約数ペア:

[(1, 128688508), (2, 64344254), (4, 32172127), (13, 9899116), (26, 4949558), (43, 2992756), (52, 2474779), (67, 1920724), (86, 1496378), (134, 960362), (172, 748189), (268, 480181), (559, 230212), (859, 149812), (871, 147748), (1118, 115106), (1718, 74906), (1742, 73874), (2236, 57553), (2881, 44668), (3436, 37453), (3484, 36937), (5762, 22334), (11167, 11524)]