25290748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 53786880

約数和(自身を除く): 28496132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 137, 266, 274, 347, 532, 548, 694, 959, 1388, 1918, 2429, 2603, 3836, 4858, 5206, 6593, 9716, 10412, 13186, 18221, 26372, 36442, 46151, 47539, 72884, 92302, 95078, 184604, 190156, 332773, 665546, 903241, 1331092, 1806482, 3612964, 6322687, 12645374, 25290748]

約数ペア:

[(1, 25290748), (2, 12645374), (4, 6322687), (7, 3612964), (14, 1806482), (19, 1331092), (28, 903241), (38, 665546), (76, 332773), (133, 190156), (137, 184604), (266, 95078), (274, 92302), (347, 72884), (532, 47539), (548, 46151), (694, 36442), (959, 26372), (1388, 18221), (1918, 13186), (2429, 10412), (2603, 9716), (3836, 6593), (4858, 5206)]