256856028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 732902016

約数和(自身を除く): 476045988

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 43, 44, 52, 59, 66, 78, 86, 118, 129, 132, 143, 156, 172, 177, 236, 258, 286, 354, 429, 473, 516, 559, 572, 649, 708, 767, 858, 946, 1118, 1298, 1419, 1534, 1677, 1716, 1892, 1947, 2236, 2301, 2537, 2596, 2838, 3068, 3354, 3481, 3894, 4602, 5074, 5676, 6149, 6708, 6962, 7611, 7788, 8437, 9204, 10148, 10443, 12298, 13924, 15222, 16874, 18447, 20886, 24596, 25311, 27907, 30444, 32981, 33748, 36894, 38291, 41772, 45253, 50622, 55814, 65962, 73788, 76582, 83721, 90506, 98943, 101244, 111628, 114873, 131924, 135759, 149683, 153164, 167442, 181012, 197886, 229746, 271518, 299366, 334884, 362791, 395772, 449049, 459492, 497783, 543036, 598732, 725582, 898098, 995566, 1088373, 1451164, 1493349, 1646513, 1796196, 1945879, 1991132, 2176746, 2986698, 3293026, 3891758, 4353492, 4939539, 5837637, 5973396, 6586052, 7783516, 9879078, 11675274, 19758156, 21404669, 23350548, 42809338, 64214007, 85618676, 128428014, 256856028]

約数ペア:

[(1, 256856028), (2, 128428014), (3, 85618676), (4, 64214007), (6, 42809338), (11, 23350548), (12, 21404669), (13, 19758156), (22, 11675274), (26, 9879078), (33, 7783516), (39, 6586052), (43, 5973396), (44, 5837637), (52, 4939539), (59, 4353492), (66, 3891758), (78, 3293026), (86, 2986698), (118, 2176746), (129, 1991132), (132, 1945879), (143, 1796196), (156, 1646513), (172, 1493349), (177, 1451164), (236, 1088373), (258, 995566), (286, 898098), (354, 725582), (429, 598732), (473, 543036), (516, 497783), (559, 459492), (572, 449049), (649, 395772), (708, 362791), (767, 334884), (858, 299366), (946, 271518), (1118, 229746), (1298, 197886), (1419, 181012), (1534, 167442), (1677, 153164), (1716, 149683), (1892, 135759), (1947, 131924), (2236, 114873), (2301, 111628), (2537, 101244), (2596, 98943), (2838, 90506), (3068, 83721), (3354, 76582), (3481, 73788), (3894, 65962), (4602, 55814), (5074, 50622), (5676, 45253), (6149, 41772), (6708, 38291), (6962, 36894), (7611, 33748), (7788, 32981), (8437, 30444), (9204, 27907), (10148, 25311), (10443, 24596), (12298, 20886), (13924, 18447), (15222, 16874)]