642919212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 1829667840

約数和(自身を除く): 1186748628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 127, 156, 174, 234, 254, 261, 348, 373, 377, 381, 468, 508, 522, 746, 754, 762, 1044, 1119, 1131, 1143, 1492, 1508, 1524, 1651, 2238, 2262, 2286, 3302, 3357, 3393, 3683, 4476, 4524, 4572, 4849, 4953, 6604, 6714, 6786, 7366, 9698, 9906, 10817, 11049, 13428, 13572, 14547, 14732, 14859, 19396, 19812, 21634, 22098, 29094, 29718, 32451, 33147, 43268, 43641, 44196, 47371, 47879, 58188, 59436, 64902, 66294, 87282, 94742, 95758, 97353, 129804, 132588, 140621, 142113, 143637, 174564, 189484, 191516, 194706, 281242, 284226, 287274, 389412, 421863, 426339, 430911, 562484, 568452, 574548, 615823, 843726, 852678, 861822, 1231646, 1265589, 1373759, 1687452, 1705356, 1723644, 1847469, 2463292, 2531178, 2747518, 3694938, 4121277, 5062356, 5495036, 5542407, 7389876, 8242554, 11084814, 12363831, 16485108, 17858867, 22169628, 24727662, 35717734, 49455324, 53576601, 71435468, 107153202, 160729803, 214306404, 321459606, 642919212]

約数ペア:

[(1, 642919212), (2, 321459606), (3, 214306404), (4, 160729803), (6, 107153202), (9, 71435468), (12, 53576601), (13, 49455324), (18, 35717734), (26, 24727662), (29, 22169628), (36, 17858867), (39, 16485108), (52, 12363831), (58, 11084814), (78, 8242554), (87, 7389876), (116, 5542407), (117, 5495036), (127, 5062356), (156, 4121277), (174, 3694938), (234, 2747518), (254, 2531178), (261, 2463292), (348, 1847469), (373, 1723644), (377, 1705356), (381, 1687452), (468, 1373759), (508, 1265589), (522, 1231646), (746, 861822), (754, 852678), (762, 843726), (1044, 615823), (1119, 574548), (1131, 568452), (1143, 562484), (1492, 430911), (1508, 426339), (1524, 421863), (1651, 389412), (2238, 287274), (2262, 284226), (2286, 281242), (3302, 194706), (3357, 191516), (3393, 189484), (3683, 174564), (4476, 143637), (4524, 142113), (4572, 140621), (4849, 132588), (4953, 129804), (6604, 97353), (6714, 95758), (6786, 94742), (7366, 87282), (9698, 66294), (9906, 64902), (10817, 59436), (11049, 58188), (13428, 47879), (13572, 47371), (14547, 44196), (14732, 43641), (14859, 43268), (19396, 33147), (19812, 32451), (21634, 29718), (22098, 29094)]