81385568

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{21019}}^1$

素因数の和:21051

約数の個数: 36

約数和(自身を含む): 176126580

約数和(自身を除く): 94741012

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 21019, 42038, 84076, 168152, 231209, 336304, 462418, 672608, 924836, 1849672, 2543299, 3699344, 5086598, 7398688, 10173196, 20346392, 40692784, 81385568]

約数ペア:

[(1, 81385568), (2, 40692784), (4, 20346392), (8, 10173196), (11, 7398688), (16, 5086598), (22, 3699344), (32, 2543299), (44, 1849672), (88, 924836), (121, 672608), (176, 462418), (242, 336304), (352, 231209), (484, 168152), (968, 84076), (1936, 42038), (3872, 21019)]