638973984

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 1916006400

約数和(自身を除く): 1277032416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 124, 131, 132, 149, 176, 186, 248, 262, 264, 298, 341, 352, 372, 393, 447, 496, 524, 528, 596, 682, 744, 786, 894, 992, 1023, 1048, 1056, 1192, 1364, 1441, 1488, 1572, 1639, 1788, 2046, 2096, 2384, 2728, 2882, 2976, 3144, 3278, 3576, 4061, 4092, 4192, 4323, 4619, 4768, 4917, 5456, 5764, 6288, 6556, 7152, 8122, 8184, 8646, 9238, 9834, 10912, 11528, 12183, 12576, 13112, 13857, 14304, 16244, 16368, 17292, 18476, 19519, 19668, 23056, 24366, 26224, 27714, 32488, 32736, 34584, 36952, 39038, 39336, 44671, 46112, 48732, 50809, 52448, 55428, 58557, 64976, 69168, 73904, 78076, 78672, 89342, 97464, 101618, 110856, 117114, 129952, 134013, 138336, 147808, 152427, 156152, 157344, 178684, 194928, 203236, 214709, 221712, 234228, 268026, 304854, 312304, 357368, 389856, 406472, 429418, 443424, 468456, 536052, 605089, 609708, 624608, 644127, 714736, 812944, 858836, 936912, 1072104, 1210178, 1219416, 1288254, 1429472, 1625888, 1717672, 1815267, 1873824, 2144208, 2420356, 2438832, 2576508, 3435344, 3630534, 4288416, 4840712, 4877664, 5153016, 6655979, 6870688, 7261068, 9681424, 10306032, 13311958, 14522136, 19362848, 19967937, 20612064, 26623916, 29044272, 39935874, 53247832, 58088544, 79871748, 106495664, 159743496, 212991328, 319486992, 638973984]

約数ペア:

[(1, 638973984), (2, 319486992), (3, 212991328), (4, 159743496), (6, 106495664), (8, 79871748), (11, 58088544), (12, 53247832), (16, 39935874), (22, 29044272), (24, 26623916), (31, 20612064), (32, 19967937), (33, 19362848), (44, 14522136), (48, 13311958), (62, 10306032), (66, 9681424), (88, 7261068), (93, 6870688), (96, 6655979), (124, 5153016), (131, 4877664), (132, 4840712), (149, 4288416), (176, 3630534), (186, 3435344), (248, 2576508), (262, 2438832), (264, 2420356), (298, 2144208), (341, 1873824), (352, 1815267), (372, 1717672), (393, 1625888), (447, 1429472), (496, 1288254), (524, 1219416), (528, 1210178), (596, 1072104), (682, 936912), (744, 858836), (786, 812944), (894, 714736), (992, 644127), (1023, 624608), (1048, 609708), (1056, 605089), (1192, 536052), (1364, 468456), (1441, 443424), (1488, 429418), (1572, 406472), (1639, 389856), (1788, 357368), (2046, 312304), (2096, 304854), (2384, 268026), (2728, 234228), (2882, 221712), (2976, 214709), (3144, 203236), (3278, 194928), (3576, 178684), (4061, 157344), (4092, 156152), (4192, 152427), (4323, 147808), (4619, 138336), (4768, 134013), (4917, 129952), (5456, 117114), (5764, 110856), (6288, 101618), (6556, 97464), (7152, 89342), (8122, 78672), (8184, 78076), (8646, 73904), (9238, 69168), (9834, 64976), (10912, 58557), (11528, 55428), (12183, 52448), (12576, 50809), (13112, 48732), (13857, 46112), (14304, 44671), (16244, 39336), (16368, 39038), (17292, 36952), (18476, 34584), (19519, 32736), (19668, 32488), (23056, 27714), (24366, 26224)]