26661978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 74337120

約数和(自身を除く): 47675142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 37, 38, 42, 43, 49, 57, 63, 74, 86, 98, 111, 114, 126, 129, 133, 147, 171, 222, 258, 259, 266, 294, 301, 333, 342, 387, 399, 441, 518, 602, 666, 703, 774, 777, 798, 817, 882, 903, 931, 1197, 1406, 1554, 1591, 1634, 1806, 1813, 1862, 2107, 2109, 2331, 2394, 2451, 2709, 2793, 3182, 3626, 4214, 4218, 4662, 4773, 4902, 4921, 5418, 5439, 5586, 5719, 6321, 6327, 7353, 8379, 9546, 9842, 10878, 11137, 11438, 12642, 12654, 14319, 14706, 14763, 16317, 16758, 17157, 18963, 22274, 28638, 29526, 30229, 32634, 33411, 34314, 34447, 37926, 40033, 44289, 51471, 60458, 66822, 68894, 77959, 80066, 88578, 90687, 100233, 102942, 103341, 120099, 155918, 181374, 200466, 206682, 211603, 233877, 240198, 272061, 310023, 360297, 423206, 467754, 544122, 620046, 634809, 701631, 720594, 1269618, 1403262, 1481221, 1904427, 2962442, 3808854, 4443663, 8887326, 13330989, 26661978]

約数ペア:

[(1, 26661978), (2, 13330989), (3, 8887326), (6, 4443663), (7, 3808854), (9, 2962442), (14, 1904427), (18, 1481221), (19, 1403262), (21, 1269618), (37, 720594), (38, 701631), (42, 634809), (43, 620046), (49, 544122), (57, 467754), (63, 423206), (74, 360297), (86, 310023), (98, 272061), (111, 240198), (114, 233877), (126, 211603), (129, 206682), (133, 200466), (147, 181374), (171, 155918), (222, 120099), (258, 103341), (259, 102942), (266, 100233), (294, 90687), (301, 88578), (333, 80066), (342, 77959), (387, 68894), (399, 66822), (441, 60458), (518, 51471), (602, 44289), (666, 40033), (703, 37926), (774, 34447), (777, 34314), (798, 33411), (817, 32634), (882, 30229), (903, 29526), (931, 28638), (1197, 22274), (1406, 18963), (1554, 17157), (1591, 16758), (1634, 16317), (1806, 14763), (1813, 14706), (1862, 14319), (2107, 12654), (2109, 12642), (2331, 11438), (2394, 11137), (2451, 10878), (2709, 9842), (2793, 9546), (3182, 8379), (3626, 7353), (4214, 6327), (4218, 6321), (4662, 5719), (4773, 5586), (4902, 5439), (4921, 5418)]