279640372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 543312000

約数和(自身を除く): 263671628

約数列:

[1, 2, 4, 11, 22, 44, 109, 199, 218, 293, 398, 436, 586, 796, 1172, 1199, 2189, 2398, 3223, 4378, 4796, 6446, 8756, 12892, 21691, 31937, 43382, 58307, 63874, 86764, 116614, 127748, 233228, 238601, 351307, 477202, 641377, 702614, 954404, 1282754, 1405228, 2565508, 6355463, 12710926, 25421852, 69910093, 139820186, 279640372]

約数ペア:

[(1, 279640372), (2, 139820186), (4, 69910093), (11, 25421852), (22, 12710926), (44, 6355463), (109, 2565508), (199, 1405228), (218, 1282754), (293, 954404), (398, 702614), (436, 641377), (586, 477202), (796, 351307), (1172, 238601), (1199, 233228), (2189, 127748), (2398, 116614), (3223, 86764), (4378, 63874), (4796, 58307), (6446, 43382), (8756, 31937), (12892, 21691)]