25980724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 31596236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1259, 1474, 1876, 2518, 2948, 5036, 5159, 8813, 10318, 13849, 17626, 20636, 27698, 35252, 55396, 84353, 96943, 168706, 193886, 337412, 387772, 590471, 927883, 1180942, 1855766, 2361884, 3711532, 6495181, 12990362, 25980724]

約数ペア:

[(1, 25980724), (2, 12990362), (4, 6495181), (7, 3711532), (11, 2361884), (14, 1855766), (22, 1180942), (28, 927883), (44, 590471), (67, 387772), (77, 337412), (134, 193886), (154, 168706), (268, 96943), (308, 84353), (469, 55396), (737, 35252), (938, 27698), (1259, 20636), (1474, 17626), (1876, 13849), (2518, 10318), (2948, 8813), (5036, 5159)]