81215906

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 129558528

約数和(自身を除く): 48342622

約数列:

[1, 2, 43, 47, 71, 86, 94, 142, 283, 566, 2021, 3053, 3337, 4042, 6106, 6674, 12169, 13301, 20093, 24338, 26602, 40186, 143491, 286982, 571943, 863999, 944371, 1143886, 1727998, 1888742, 40607953, 81215906]

約数ペア:

[(1, 81215906), (2, 40607953), (43, 1888742), (47, 1727998), (71, 1143886), (86, 944371), (94, 863999), (142, 571943), (283, 286982), (566, 143491), (2021, 40186), (3053, 26602), (3337, 24338), (4042, 20093), (6106, 13301), (6674, 12169)]