7880138

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 14204928

約数和(自身を除く): 6324790

約数列:

[1, 2, 7, 14, 31, 62, 67, 134, 217, 271, 434, 469, 542, 938, 1897, 2077, 3794, 4154, 8401, 14539, 16802, 18157, 29078, 36314, 58807, 117614, 127099, 254198, 562867, 1125734, 3940069, 7880138]

約数ペア:

[(1, 7880138), (2, 3940069), (7, 1125734), (14, 562867), (31, 254198), (62, 127099), (67, 117614), (134, 58807), (217, 36314), (271, 29078), (434, 18157), (469, 16802), (542, 14539), (938, 8401), (1897, 4154), (2077, 3794)]