81310376

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{30893}}^1$

素因数の和:30953

約数の個数: 32

約数和(自身を含む): 177949440

約数和(自身を除く): 96639064

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 30893, 61786, 123572, 216251, 247144, 432502, 865004, 1451971, 1730008, 2903942, 5807884, 10163797, 11615768, 20327594, 40655188, 81310376]

約数ペア:

[(1, 81310376), (2, 40655188), (4, 20327594), (7, 11615768), (8, 10163797), (14, 5807884), (28, 2903942), (47, 1730008), (56, 1451971), (94, 865004), (188, 432502), (329, 247144), (376, 216251), (658, 123572), (1316, 61786), (2632, 30893)]