1989967872

素因数分解:

$2^{15}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 5486065920

約数和(自身を除く): 3496098048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 653, 744, 768, 992, 1024, 1306, 1488, 1536, 1959, 1984, 2048, 2612, 2976, 3072, 3918, 3968, 4096, 5224, 5952, 6144, 7836, 7936, 8192, 10448, 11904, 12288, 15672, 15872, 16384, 20243, 20896, 23808, 24576, 31344, 31744, 32768, 40486, 41792, 47616, 49152, 60729, 62688, 63488, 80972, 83584, 95232, 98304, 121458, 125376, 126976, 161944, 167168, 190464, 242916, 250752, 253952, 323888, 334336, 380928, 485832, 501504, 507904, 647776, 668672, 761856, 971664, 1003008, 1015808, 1295552, 1337344, 1523712, 1943328, 2006016, 2591104, 2674688, 3047424, 3886656, 4012032, 5182208, 5349376, 7773312, 8024064, 10364416, 10698752, 15546624, 16048128, 20728832, 21397504, 31093248, 32096256, 41457664, 62186496, 64192512, 82915328, 124372992, 165830656, 248745984, 331661312, 497491968, 663322624, 994983936, 1989967872]

約数ペア:

[(1, 1989967872), (2, 994983936), (3, 663322624), (4, 497491968), (6, 331661312), (8, 248745984), (12, 165830656), (16, 124372992), (24, 82915328), (31, 64192512), (32, 62186496), (48, 41457664), (62, 32096256), (64, 31093248), (93, 21397504), (96, 20728832), (124, 16048128), (128, 15546624), (186, 10698752), (192, 10364416), (248, 8024064), (256, 7773312), (372, 5349376), (384, 5182208), (496, 4012032), (512, 3886656), (653, 3047424), (744, 2674688), (768, 2591104), (992, 2006016), (1024, 1943328), (1306, 1523712), (1488, 1337344), (1536, 1295552), (1959, 1015808), (1984, 1003008), (2048, 971664), (2612, 761856), (2976, 668672), (3072, 647776), (3918, 507904), (3968, 501504), (4096, 485832), (5224, 380928), (5952, 334336), (6144, 323888), (7836, 253952), (7936, 250752), (8192, 242916), (10448, 190464), (11904, 167168), (12288, 161944), (15672, 126976), (15872, 125376), (16384, 121458), (20243, 98304), (20896, 95232), (23808, 83584), (24576, 80972), (31344, 63488), (31744, 62688), (32768, 60729), (40486, 49152), (41792, 47616)]