77886688

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 167998320

約数和(自身を除く): 90111632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 409, 541, 818, 1082, 1636, 2164, 3272, 4328, 4499, 5951, 6544, 8656, 8998, 11902, 13088, 17312, 17996, 23804, 35992, 47608, 71984, 95216, 143968, 190432, 221269, 442538, 885076, 1770152, 2433959, 3540304, 4867918, 7080608, 9735836, 19471672, 38943344, 77886688]

約数ペア:

[(1, 77886688), (2, 38943344), (4, 19471672), (8, 9735836), (11, 7080608), (16, 4867918), (22, 3540304), (32, 2433959), (44, 1770152), (88, 885076), (176, 442538), (352, 221269), (409, 190432), (541, 143968), (818, 95216), (1082, 71984), (1636, 47608), (2164, 35992), (3272, 23804), (4328, 17996), (4499, 17312), (5951, 13088), (6544, 11902), (8656, 8998)]