639559872

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{158621}}^1$

素因数の和:158646

約数の個数: 84

約数和(自身を含む): 2095079376

約数和(自身を除く): 1455519504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 158621, 317242, 475863, 634484, 951726, 1110347, 1268968, 1427589, 1903452, 2220694, 2537936, 2855178, 3331041, 3806904, 4441388, 5075872, 5710356, 6662082, 7613808, 8882776, 9993123, 10151744, 11420712, 13324164, 15227616, 17765552, 19986246, 22841424, 26648328, 30455232, 35531104, 39972492, 45682848, 53296656, 71062208, 79944984, 91365696, 106593312, 159889968, 213186624, 319779936, 639559872]

約数ペア:

[(1, 639559872), (2, 319779936), (3, 213186624), (4, 159889968), (6, 106593312), (7, 91365696), (8, 79944984), (9, 71062208), (12, 53296656), (14, 45682848), (16, 39972492), (18, 35531104), (21, 30455232), (24, 26648328), (28, 22841424), (32, 19986246), (36, 17765552), (42, 15227616), (48, 13324164), (56, 11420712), (63, 10151744), (64, 9993123), (72, 8882776), (84, 7613808), (96, 6662082), (112, 5710356), (126, 5075872), (144, 4441388), (168, 3806904), (192, 3331041), (224, 2855178), (252, 2537936), (288, 2220694), (336, 1903452), (448, 1427589), (504, 1268968), (576, 1110347), (672, 951726), (1008, 634484), (1344, 475863), (2016, 317242), (4032, 158621)]