647598432

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:957

約数の個数: 192

約数和(自身を含む): 1991485440

約数和(自身を除く): 1343887008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 32, 38, 39, 48, 52, 57, 62, 76, 78, 93, 96, 104, 114, 124, 152, 156, 186, 208, 228, 247, 248, 304, 312, 372, 403, 416, 456, 494, 496, 589, 608, 624, 741, 744, 806, 881, 912, 988, 992, 1178, 1209, 1248, 1482, 1488, 1612, 1762, 1767, 1824, 1976, 2356, 2418, 2643, 2964, 2976, 3224, 3524, 3534, 3952, 4712, 4836, 5286, 5928, 6448, 7048, 7068, 7657, 7904, 9424, 9672, 10572, 11453, 11856, 12896, 14096, 14136, 15314, 16739, 18848, 19344, 21144, 22906, 22971, 23712, 27311, 28192, 28272, 30628, 33478, 34359, 38688, 42288, 45812, 45942, 50217, 54622, 56544, 61256, 66956, 68718, 81933, 84576, 91624, 91884, 100434, 109244, 122512, 133912, 137436, 163866, 183248, 183768, 200868, 217607, 218488, 245024, 267824, 274872, 327732, 355043, 366496, 367536, 401736, 435214, 436976, 518909, 535648, 549744, 652821, 655464, 710086, 735072, 803472, 870428, 873952, 1037818, 1065129, 1099488, 1305642, 1310928, 1420172, 1556727, 1606944, 1740856, 2075636, 2130258, 2611284, 2621856, 2840344, 3113454, 3481712, 4151272, 4260516, 5222568, 5680688, 6226908, 6745817, 6963424, 8302544, 8521032, 10445136, 11361376, 12453816, 13491634, 16605088, 17042064, 20237451, 20890272, 24907632, 26983268, 34084128, 40474902, 49815264, 53966536, 80949804, 107933072, 161899608, 215866144, 323799216, 647598432]

約数ペア:

[(1, 647598432), (2, 323799216), (3, 215866144), (4, 161899608), (6, 107933072), (8, 80949804), (12, 53966536), (13, 49815264), (16, 40474902), (19, 34084128), (24, 26983268), (26, 24907632), (31, 20890272), (32, 20237451), (38, 17042064), (39, 16605088), (48, 13491634), (52, 12453816), (57, 11361376), (62, 10445136), (76, 8521032), (78, 8302544), (93, 6963424), (96, 6745817), (104, 6226908), (114, 5680688), (124, 5222568), (152, 4260516), (156, 4151272), (186, 3481712), (208, 3113454), (228, 2840344), (247, 2621856), (248, 2611284), (304, 2130258), (312, 2075636), (372, 1740856), (403, 1606944), (416, 1556727), (456, 1420172), (494, 1310928), (496, 1305642), (589, 1099488), (608, 1065129), (624, 1037818), (741, 873952), (744, 870428), (806, 803472), (881, 735072), (912, 710086), (988, 655464), (992, 652821), (1178, 549744), (1209, 535648), (1248, 518909), (1482, 436976), (1488, 435214), (1612, 401736), (1762, 367536), (1767, 366496), (1824, 355043), (1976, 327732), (2356, 274872), (2418, 267824), (2643, 245024), (2964, 218488), (2976, 217607), (3224, 200868), (3524, 183768), (3534, 183248), (3952, 163866), (4712, 137436), (4836, 133912), (5286, 122512), (5928, 109244), (6448, 100434), (7048, 91884), (7068, 91624), (7657, 84576), (7904, 81933), (9424, 68718), (9672, 66956), (10572, 61256), (11453, 56544), (11856, 54622), (12896, 50217), (14096, 45942), (14136, 45812), (15314, 42288), (16739, 38688), (18848, 34359), (19344, 33478), (21144, 30628), (22906, 28272), (22971, 28192), (23712, 27311)]