81147836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{541}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 177741312

約数和(自身を除く): 96593476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 487, 541, 974, 1082, 1948, 2164, 3409, 3787, 5357, 5951, 6818, 7574, 10714, 11902, 13636, 15148, 21428, 23804, 37499, 41657, 74998, 83314, 149996, 166628, 263467, 526934, 1053868, 1844269, 2898137, 3688538, 5796274, 7377076, 11592548, 20286959, 40573918, 81147836]

約数ペア:

[(1, 81147836), (2, 40573918), (4, 20286959), (7, 11592548), (11, 7377076), (14, 5796274), (22, 3688538), (28, 2898137), (44, 1844269), (77, 1053868), (154, 526934), (308, 263467), (487, 166628), (541, 149996), (974, 83314), (1082, 74998), (1948, 41657), (2164, 37499), (3409, 23804), (3787, 21428), (5357, 15148), (5951, 13636), (6818, 11902), (7574, 10714)]