81552536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 175996800

約数和(自身を除く): 94444264

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 193, 221, 239, 386, 442, 478, 772, 884, 956, 1544, 1768, 1912, 2509, 3107, 3281, 4063, 5018, 6214, 6562, 8126, 10036, 12428, 13124, 16252, 20072, 24856, 26248, 32504, 42653, 46127, 52819, 85306, 92254, 105638, 170612, 184508, 211276, 341224, 369016, 422552, 599651, 784159, 1199302, 1568318, 2398604, 3136636, 4797208, 6273272, 10194067, 20388134, 40776268, 81552536]

約数ペア:

[(1, 81552536), (2, 40776268), (4, 20388134), (8, 10194067), (13, 6273272), (17, 4797208), (26, 3136636), (34, 2398604), (52, 1568318), (68, 1199302), (104, 784159), (136, 599651), (193, 422552), (221, 369016), (239, 341224), (386, 211276), (442, 184508), (478, 170612), (772, 105638), (884, 92254), (956, 85306), (1544, 52819), (1768, 46127), (1912, 42653), (2509, 32504), (3107, 26248), (3281, 24856), (4063, 20072), (5018, 16252), (6214, 13124), (6562, 12428), (8126, 10036)]