217690928

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 558767808

約数和(自身を除く): 341076880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 53, 56, 62, 91, 98, 104, 106, 112, 124, 169, 182, 196, 208, 212, 217, 248, 338, 364, 371, 392, 403, 424, 434, 496, 637, 676, 689, 728, 742, 784, 806, 848, 868, 1183, 1274, 1352, 1378, 1456, 1484, 1519, 1612, 1643, 1736, 2366, 2548, 2597, 2704, 2756, 2821, 2968, 3038, 3224, 3286, 3472, 4732, 4823, 5096, 5194, 5239, 5512, 5642, 5936, 6076, 6448, 6572, 8281, 8957, 9464, 9646, 10192, 10388, 10478, 11024, 11284, 11501, 12152, 13144, 16562, 17914, 18928, 19292, 19747, 20776, 20956, 21359, 22568, 23002, 24304, 26288, 33124, 33761, 35828, 36673, 38584, 39494, 41552, 41912, 42718, 45136, 46004, 62699, 66248, 67522, 71656, 73346, 77168, 78988, 80507, 83824, 85436, 92008, 125398, 132496, 135044, 143312, 146692, 149513, 157976, 161014, 170872, 184016, 250796, 256711, 270088, 277667, 293384, 299026, 315952, 322028, 341744, 438893, 501592, 513422, 540176, 555334, 586768, 598052, 644056, 877786, 1003184, 1026844, 1046591, 1110668, 1196104, 1288112, 1755572, 1943669, 2053688, 2093182, 2221336, 2392208, 3511144, 3887338, 4107376, 4186364, 4442672, 7022288, 7774676, 8372728, 13605683, 15549352, 16745456, 27211366, 31098704, 54422732, 108845464, 217690928]

約数ペア:

[(1, 217690928), (2, 108845464), (4, 54422732), (7, 31098704), (8, 27211366), (13, 16745456), (14, 15549352), (16, 13605683), (26, 8372728), (28, 7774676), (31, 7022288), (49, 4442672), (52, 4186364), (53, 4107376), (56, 3887338), (62, 3511144), (91, 2392208), (98, 2221336), (104, 2093182), (106, 2053688), (112, 1943669), (124, 1755572), (169, 1288112), (182, 1196104), (196, 1110668), (208, 1046591), (212, 1026844), (217, 1003184), (248, 877786), (338, 644056), (364, 598052), (371, 586768), (392, 555334), (403, 540176), (424, 513422), (434, 501592), (496, 438893), (637, 341744), (676, 322028), (689, 315952), (728, 299026), (742, 293384), (784, 277667), (806, 270088), (848, 256711), (868, 250796), (1183, 184016), (1274, 170872), (1352, 161014), (1378, 157976), (1456, 149513), (1484, 146692), (1519, 143312), (1612, 135044), (1643, 132496), (1736, 125398), (2366, 92008), (2548, 85436), (2597, 83824), (2704, 80507), (2756, 78988), (2821, 77168), (2968, 73346), (3038, 71656), (3224, 67522), (3286, 66248), (3472, 62699), (4732, 46004), (4823, 45136), (5096, 42718), (5194, 41912), (5239, 41552), (5512, 39494), (5642, 38584), (5936, 36673), (6076, 35828), (6448, 33761), (6572, 33124), (8281, 26288), (8957, 24304), (9464, 23002), (9646, 22568), (10192, 21359), (10388, 20956), (10478, 20776), (11024, 19747), (11284, 19292), (11501, 18928), (12152, 17914), (13144, 16562)]