1621757312

素因数分解:

$2^7\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 4093056000

約数和(自身を除く): 2471298688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 64, 76, 98, 112, 124, 128, 133, 152, 196, 217, 224, 248, 266, 304, 392, 434, 439, 448, 496, 532, 589, 608, 784, 868, 878, 896, 931, 992, 1064, 1178, 1216, 1519, 1568, 1736, 1756, 1862, 1984, 2128, 2356, 2432, 3038, 3073, 3136, 3472, 3512, 3724, 3968, 4123, 4256, 4712, 6076, 6146, 6272, 6944, 7024, 7448, 8246, 8341, 8512, 9424, 12152, 12292, 13609, 13888, 14048, 14896, 16492, 16682, 17024, 18848, 21511, 24304, 24584, 27218, 27776, 28096, 28861, 29792, 32984, 33364, 37696, 43022, 48608, 49168, 54436, 56192, 57722, 58387, 59584, 65968, 66728, 75392, 86044, 95263, 97216, 98336, 108872, 115444, 116774, 119168, 131936, 133456, 172088, 190526, 194432, 196672, 217744, 230888, 233548, 258571, 263872, 266912, 344176, 381052, 393344, 408709, 435488, 461776, 467096, 517142, 527744, 533824, 666841, 688352, 762104, 817418, 870976, 923552, 934192, 1034284, 1067648, 1333682, 1376704, 1524208, 1634836, 1741952, 1809997, 1847104, 1868384, 2068568, 2667364, 2753408, 3048416, 3269672, 3619994, 3694208, 3736768, 4137136, 5334728, 6096832, 6539344, 7239988, 7473536, 8274272, 10669456, 12193664, 12669979, 13078688, 14479976, 16548544, 21338912, 25339958, 26157376, 28959952, 33097088, 42677824, 50679916, 52314752, 57919904, 85355648, 101359832, 115839808, 202719664, 231679616, 405439328, 810878656, 1621757312]

約数ペア:

[(1, 1621757312), (2, 810878656), (4, 405439328), (7, 231679616), (8, 202719664), (14, 115839808), (16, 101359832), (19, 85355648), (28, 57919904), (31, 52314752), (32, 50679916), (38, 42677824), (49, 33097088), (56, 28959952), (62, 26157376), (64, 25339958), (76, 21338912), (98, 16548544), (112, 14479976), (124, 13078688), (128, 12669979), (133, 12193664), (152, 10669456), (196, 8274272), (217, 7473536), (224, 7239988), (248, 6539344), (266, 6096832), (304, 5334728), (392, 4137136), (434, 3736768), (439, 3694208), (448, 3619994), (496, 3269672), (532, 3048416), (589, 2753408), (608, 2667364), (784, 2068568), (868, 1868384), (878, 1847104), (896, 1809997), (931, 1741952), (992, 1634836), (1064, 1524208), (1178, 1376704), (1216, 1333682), (1519, 1067648), (1568, 1034284), (1736, 934192), (1756, 923552), (1862, 870976), (1984, 817418), (2128, 762104), (2356, 688352), (2432, 666841), (3038, 533824), (3073, 527744), (3136, 517142), (3472, 467096), (3512, 461776), (3724, 435488), (3968, 408709), (4123, 393344), (4256, 381052), (4712, 344176), (6076, 266912), (6146, 263872), (6272, 258571), (6944, 233548), (7024, 230888), (7448, 217744), (8246, 196672), (8341, 194432), (8512, 190526), (9424, 172088), (12152, 133456), (12292, 131936), (13609, 119168), (13888, 116774), (14048, 115444), (14896, 108872), (16492, 98336), (16682, 97216), (17024, 95263), (18848, 86044), (21511, 75392), (24304, 66728), (24584, 65968), (27218, 59584), (27776, 58387), (28096, 57722), (28861, 56192), (29792, 54436), (32984, 49168), (33364, 48608), (37696, 43022)]