81016208

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7949}}^1$

素因数の和:7984

約数の個数: 60

約数和(自身を含む): 196667100

約数和(自身を除く): 115650892

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 7949, 10192, 15898, 31796, 55643, 63592, 103337, 111286, 127184, 206674, 222572, 389501, 413348, 445144, 723359, 779002, 826696, 890288, 1446718, 1558004, 1653392, 2893436, 3116008, 5063513, 5786872, 6232016, 10127026, 11573744, 20254052, 40508104, 81016208]

約数ペア:

[(1, 81016208), (2, 40508104), (4, 20254052), (7, 11573744), (8, 10127026), (13, 6232016), (14, 5786872), (16, 5063513), (26, 3116008), (28, 2893436), (49, 1653392), (52, 1558004), (56, 1446718), (91, 890288), (98, 826696), (104, 779002), (112, 723359), (182, 445144), (196, 413348), (208, 389501), (364, 222572), (392, 206674), (637, 127184), (728, 111286), (784, 103337), (1274, 63592), (1456, 55643), (2548, 31796), (5096, 15898), (7949, 10192)]