7856982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 19648512

約数和(自身を除く): 11791530

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 491, 762, 889, 982, 1143, 1473, 1778, 2286, 2667, 2946, 3437, 4419, 5334, 6874, 8001, 8838, 10311, 16002, 20622, 30933, 61866, 62357, 124714, 187071, 374142, 436499, 561213, 872998, 1122426, 1309497, 2618994, 3928491, 7856982]

約数ペア:

[(1, 7856982), (2, 3928491), (3, 2618994), (6, 1309497), (7, 1122426), (9, 872998), (14, 561213), (18, 436499), (21, 374142), (42, 187071), (63, 124714), (126, 62357), (127, 61866), (254, 30933), (381, 20622), (491, 16002), (762, 10311), (889, 8838), (982, 8001), (1143, 6874), (1473, 5334), (1778, 4419), (2286, 3437), (2667, 2946)]