1638942888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:680

約数の個数: 192

約数和(自身を含む): 4888382400

約数和(自身を除く): 3249439512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 29, 33, 38, 44, 57, 58, 66, 76, 87, 88, 114, 116, 132, 152, 174, 209, 228, 232, 264, 319, 348, 361, 418, 456, 551, 593, 627, 638, 696, 722, 836, 957, 1083, 1102, 1186, 1254, 1276, 1444, 1653, 1672, 1779, 1914, 2166, 2204, 2372, 2508, 2552, 2888, 3306, 3558, 3828, 3971, 4332, 4408, 4744, 5016, 6061, 6523, 6612, 7116, 7656, 7942, 8664, 10469, 11267, 11913, 12122, 13046, 13224, 14232, 15884, 17197, 18183, 19569, 20938, 22534, 23826, 24244, 26092, 31407, 31768, 33801, 34394, 36366, 39138, 41876, 45068, 47652, 48488, 51591, 52184, 62814, 67602, 68788, 72732, 78276, 83752, 90136, 95304, 103182, 115159, 123937, 125628, 135204, 137576, 145464, 156552, 189167, 206364, 214073, 230318, 247874, 251256, 270408, 326743, 345477, 371811, 378334, 412728, 428146, 460636, 495748, 567501, 642219, 653486, 690954, 743622, 756668, 856292, 921272, 980229, 991496, 1135002, 1284438, 1306972, 1381908, 1487244, 1513336, 1712584, 1960458, 2270004, 2354803, 2568876, 2613944, 2763816, 2974488, 3594173, 3920916, 4540008, 4709606, 5137752, 6208117, 7064409, 7188346, 7841832, 9419212, 10782519, 12416234, 14128818, 14376692, 18624351, 18838424, 21565038, 24832468, 28257636, 28753384, 37248702, 43130076, 49664936, 56515272, 68289287, 74497404, 86260152, 136578574, 148994808, 204867861, 273157148, 409735722, 546314296, 819471444, 1638942888]

約数ペア:

[(1, 1638942888), (2, 819471444), (3, 546314296), (4, 409735722), (6, 273157148), (8, 204867861), (11, 148994808), (12, 136578574), (19, 86260152), (22, 74497404), (24, 68289287), (29, 56515272), (33, 49664936), (38, 43130076), (44, 37248702), (57, 28753384), (58, 28257636), (66, 24832468), (76, 21565038), (87, 18838424), (88, 18624351), (114, 14376692), (116, 14128818), (132, 12416234), (152, 10782519), (174, 9419212), (209, 7841832), (228, 7188346), (232, 7064409), (264, 6208117), (319, 5137752), (348, 4709606), (361, 4540008), (418, 3920916), (456, 3594173), (551, 2974488), (593, 2763816), (627, 2613944), (638, 2568876), (696, 2354803), (722, 2270004), (836, 1960458), (957, 1712584), (1083, 1513336), (1102, 1487244), (1186, 1381908), (1254, 1306972), (1276, 1284438), (1444, 1135002), (1653, 991496), (1672, 980229), (1779, 921272), (1914, 856292), (2166, 756668), (2204, 743622), (2372, 690954), (2508, 653486), (2552, 642219), (2888, 567501), (3306, 495748), (3558, 460636), (3828, 428146), (3971, 412728), (4332, 378334), (4408, 371811), (4744, 345477), (5016, 326743), (6061, 270408), (6523, 251256), (6612, 247874), (7116, 230318), (7656, 214073), (7942, 206364), (8664, 189167), (10469, 156552), (11267, 145464), (11913, 137576), (12122, 135204), (13046, 125628), (13224, 123937), (14232, 115159), (15884, 103182), (17197, 95304), (18183, 90136), (19569, 83752), (20938, 78276), (22534, 72732), (23826, 68788), (24244, 67602), (26092, 62814), (31407, 52184), (31768, 51591), (33801, 48488), (34394, 47652), (36366, 45068), (39138, 41876)]