1278538352

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 160

約数和(自身を含む): 3231126528

約数和(自身を除く): 1952588176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 73, 91, 92, 104, 112, 146, 161, 182, 184, 208, 292, 299, 322, 364, 368, 511, 523, 584, 598, 644, 728, 949, 1022, 1046, 1168, 1196, 1288, 1456, 1679, 1898, 2044, 2092, 2093, 2392, 2576, 3358, 3661, 3796, 4088, 4184, 4186, 4784, 6643, 6716, 6799, 7322, 7592, 8176, 8368, 8372, 11753, 12029, 13286, 13432, 13598, 14644, 15184, 16744, 21827, 23506, 24058, 26572, 26864, 27196, 29288, 33488, 38179, 43654, 47012, 47593, 48116, 53144, 54392, 58576, 76358, 84203, 87308, 94024, 95186, 96232, 106288, 108784, 152716, 152789, 156377, 168406, 174616, 188048, 190372, 192464, 267253, 305432, 305578, 312754, 336812, 349232, 380744, 496327, 534506, 610864, 611156, 625508, 673624, 761488, 878117, 992654, 1069012, 1094639, 1222312, 1251016, 1347248, 1756234, 1985308, 2138024, 2189278, 2444624, 2502032, 3474289, 3512468, 3970616, 4276048, 4378556, 6146819, 6948578, 7024936, 7941232, 8757112, 11415521, 12293638, 13897156, 14049872, 17514224, 22831042, 24587276, 27794312, 45662084, 49174552, 55588624, 79908647, 91324168, 98349104, 159817294, 182648336, 319634588, 639269176, 1278538352]

約数ペア:

[(1, 1278538352), (2, 639269176), (4, 319634588), (7, 182648336), (8, 159817294), (13, 98349104), (14, 91324168), (16, 79908647), (23, 55588624), (26, 49174552), (28, 45662084), (46, 27794312), (52, 24587276), (56, 22831042), (73, 17514224), (91, 14049872), (92, 13897156), (104, 12293638), (112, 11415521), (146, 8757112), (161, 7941232), (182, 7024936), (184, 6948578), (208, 6146819), (292, 4378556), (299, 4276048), (322, 3970616), (364, 3512468), (368, 3474289), (511, 2502032), (523, 2444624), (584, 2189278), (598, 2138024), (644, 1985308), (728, 1756234), (949, 1347248), (1022, 1251016), (1046, 1222312), (1168, 1094639), (1196, 1069012), (1288, 992654), (1456, 878117), (1679, 761488), (1898, 673624), (2044, 625508), (2092, 611156), (2093, 610864), (2392, 534506), (2576, 496327), (3358, 380744), (3661, 349232), (3796, 336812), (4088, 312754), (4184, 305578), (4186, 305432), (4784, 267253), (6643, 192464), (6716, 190372), (6799, 188048), (7322, 174616), (7592, 168406), (8176, 156377), (8368, 152789), (8372, 152716), (11753, 108784), (12029, 106288), (13286, 96232), (13432, 95186), (13598, 94024), (14644, 87308), (15184, 84203), (16744, 76358), (21827, 58576), (23506, 54392), (24058, 53144), (26572, 48116), (26864, 47593), (27196, 47012), (29288, 43654), (33488, 38179)]