131123426

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 231813120

約数和(自身を除く): 100689694

約数列:

[1, 2, 7, 14, 43, 86, 139, 278, 301, 602, 973, 1567, 1946, 3134, 5977, 10969, 11954, 21938, 41839, 67381, 83678, 134762, 217813, 435626, 471667, 943334, 1524691, 3049382, 9365959, 18731918, 65561713, 131123426]

約数ペア:

[(1, 131123426), (2, 65561713), (7, 18731918), (14, 9365959), (43, 3049382), (86, 1524691), (139, 943334), (278, 471667), (301, 435626), (602, 217813), (973, 134762), (1567, 83678), (1946, 67381), (3134, 41839), (5977, 21938), (10969, 11954)]