81911536

素因数分解:

$2^4\times 7^2\times {\mathrm{104479}}^1$

素因数の和:104501

約数の個数: 30

約数和(自身を含む): 184616160

約数和(自身を除く): 102704624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 104479, 208958, 417916, 731353, 835832, 1462706, 1671664, 2925412, 5119471, 5850824, 10238942, 11701648, 20477884, 40955768, 81911536]

約数ペア:

[(1, 81911536), (2, 40955768), (4, 20477884), (7, 11701648), (8, 10238942), (14, 5850824), (16, 5119471), (28, 2925412), (49, 1671664), (56, 1462706), (98, 835832), (112, 731353), (196, 417916), (392, 208958), (784, 104479)]