290291234695

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26513}}^1\times {\mathrm{28439}}^1$

素因数の和:54975

約数の個数: 32

約数和(自身を含む): 434337500160

約数和(自身を除く): 144046265465

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 26513, 28439, 132565, 142195, 185591, 199073, 291643, 312829, 927955, 995365, 1458215, 1564145, 2041501, 2189803, 10207505, 10949015, 754003207, 3770016035, 5278022449, 8294035277, 26390112245, 41470176385, 58058246939, 290291234695]

約数ペア:

[(1, 290291234695), (5, 58058246939), (7, 41470176385), (11, 26390112245), (35, 8294035277), (55, 5278022449), (77, 3770016035), (385, 754003207), (26513, 10949015), (28439, 10207505), (132565, 2189803), (142195, 2041501), (185591, 1564145), (199073, 1458215), (291643, 995365), (312829, 927955)]