27900808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 33304952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 221, 344, 367, 442, 559, 731, 734, 884, 1118, 1462, 1468, 1768, 2236, 2924, 2936, 4472, 4771, 5848, 6239, 9503, 9542, 12478, 15781, 19006, 19084, 24956, 31562, 38012, 38168, 49912, 63124, 76024, 81107, 126248, 162214, 205153, 268277, 324428, 410306, 536554, 648856, 820612, 1073108, 1641224, 2146216, 3487601, 6975202, 13950404, 27900808]

約数ペア:

[(1, 27900808), (2, 13950404), (4, 6975202), (8, 3487601), (13, 2146216), (17, 1641224), (26, 1073108), (34, 820612), (43, 648856), (52, 536554), (68, 410306), (86, 324428), (104, 268277), (136, 205153), (172, 162214), (221, 126248), (344, 81107), (367, 76024), (442, 63124), (559, 49912), (731, 38168), (734, 38012), (884, 31562), (1118, 24956), (1462, 19084), (1468, 19006), (1768, 15781), (2236, 12478), (2924, 9542), (2936, 9503), (4472, 6239), (4771, 5848)]