81121264

素因数分解:

$2^4\times 7^2\times {\mathrm{103471}}^1$

素因数の和:103493

約数の個数: 30

約数和(自身を含む): 182835024

約数和(自身を除く): 101713760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 103471, 206942, 413884, 724297, 827768, 1448594, 1655536, 2897188, 5070079, 5794376, 10140158, 11588752, 20280316, 40560632, 81121264]

約数ペア:

[(1, 81121264), (2, 40560632), (4, 20280316), (7, 11588752), (8, 10140158), (14, 5794376), (16, 5070079), (28, 2897188), (49, 1655536), (56, 1448594), (98, 827768), (112, 724297), (196, 413884), (392, 206942), (784, 103471)]