81332264

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 169092000

約数和(自身を除く): 87759736

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1352, 1399, 2236, 2798, 4472, 5596, 7267, 11192, 14534, 18187, 29068, 36374, 58136, 60157, 72748, 120314, 145496, 236431, 240628, 472862, 481256, 782041, 945724, 1564082, 1891448, 3128164, 6256328, 10166533, 20333066, 40666132, 81332264]

約数ペア:

[(1, 81332264), (2, 40666132), (4, 20333066), (8, 10166533), (13, 6256328), (26, 3128164), (43, 1891448), (52, 1564082), (86, 945724), (104, 782041), (169, 481256), (172, 472862), (338, 240628), (344, 236431), (559, 145496), (676, 120314), (1118, 72748), (1352, 60157), (1399, 58136), (2236, 36374), (2798, 29068), (4472, 18187), (5596, 14534), (7267, 11192)]