138346978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 272885760

約数和(自身を除く): 134538782

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 139, 154, 161, 253, 278, 281, 322, 506, 562, 973, 1529, 1771, 1946, 1967, 3058, 3091, 3197, 3542, 3934, 6182, 6394, 6463, 10703, 12926, 21406, 21637, 22379, 35167, 39059, 43274, 44758, 45241, 70334, 71093, 78118, 90482, 142186, 246169, 273413, 429649, 492338, 497651, 546826, 859298, 898357, 995302, 1796714, 3007543, 6015086, 6288499, 9881927, 12576998, 19763854, 69173489, 138346978]

約数ペア:

[(1, 138346978), (2, 69173489), (7, 19763854), (11, 12576998), (14, 9881927), (22, 6288499), (23, 6015086), (46, 3007543), (77, 1796714), (139, 995302), (154, 898357), (161, 859298), (253, 546826), (278, 497651), (281, 492338), (322, 429649), (506, 273413), (562, 246169), (973, 142186), (1529, 90482), (1771, 78118), (1946, 71093), (1967, 70334), (3058, 45241), (3091, 44758), (3197, 43274), (3542, 39059), (3934, 35167), (6182, 22379), (6394, 21637), (6463, 21406), (10703, 12926)]