131282256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{390721}}^1$

素因数の和:390739

約数の個数: 40

約数和(自身を含む): 387596224

約数和(自身を除く): 256313968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 390721, 781442, 1172163, 1562884, 2344326, 2735047, 3125768, 4688652, 5470094, 6251536, 8205141, 9377304, 10940188, 16410282, 18754608, 21880376, 32820564, 43760752, 65641128, 131282256]

約数ペア:

[(1, 131282256), (2, 65641128), (3, 43760752), (4, 32820564), (6, 21880376), (7, 18754608), (8, 16410282), (12, 10940188), (14, 9377304), (16, 8205141), (21, 6251536), (24, 5470094), (28, 4688652), (42, 3125768), (48, 2735047), (56, 2344326), (84, 1562884), (112, 1172163), (168, 781442), (336, 390721)]