28457853736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107857}}^1$

素因数の和:107978

約数の個数: 64

約数和(自身を含む): 59796475200

約数和(自身を除く): 31338621464

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 86, 104, 118, 172, 236, 344, 472, 559, 767, 1118, 1534, 2236, 2537, 3068, 4472, 5074, 6136, 10148, 20296, 32981, 65962, 107857, 131924, 215714, 263848, 431428, 862856, 1402141, 2804282, 4637851, 5608564, 6363563, 9275702, 11217128, 12727126, 18551404, 25454252, 37102808, 50908504, 60292063, 82726319, 120584126, 165452638, 241168252, 273633209, 330905276, 482336504, 547266418, 661810552, 1094532836, 2189065672, 3557231717, 7114463434, 14228926868, 28457853736]

約数ペア:

[(1, 28457853736), (2, 14228926868), (4, 7114463434), (8, 3557231717), (13, 2189065672), (26, 1094532836), (43, 661810552), (52, 547266418), (59, 482336504), (86, 330905276), (104, 273633209), (118, 241168252), (172, 165452638), (236, 120584126), (344, 82726319), (472, 60292063), (559, 50908504), (767, 37102808), (1118, 25454252), (1534, 18551404), (2236, 12727126), (2537, 11217128), (3068, 9275702), (4472, 6363563), (5074, 5608564), (6136, 4637851), (10148, 2804282), (20296, 1402141), (32981, 862856), (65962, 431428), (107857, 263848), (131924, 215714)]