208988416

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8971}}^1$

素因数の和:9007

約数の個数: 72

約数和(自身を含む): 513485504

約数和(自身を除く): 304497088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 8971, 11648, 17942, 23296, 35884, 62797, 71768, 116623, 125594, 143536, 233246, 251188, 287072, 466492, 502376, 574144, 816361, 932984, 1004752, 1148288, 1632722, 1865968, 2009504, 2296576, 3265444, 3731936, 4019008, 6530888, 7463872, 8038016, 13061776, 14927744, 16076032, 26123552, 29855488, 52247104, 104494208, 208988416]

約数ペア:

[(1, 208988416), (2, 104494208), (4, 52247104), (7, 29855488), (8, 26123552), (13, 16076032), (14, 14927744), (16, 13061776), (26, 8038016), (28, 7463872), (32, 6530888), (52, 4019008), (56, 3731936), (64, 3265444), (91, 2296576), (104, 2009504), (112, 1865968), (128, 1632722), (182, 1148288), (208, 1004752), (224, 932984), (256, 816361), (364, 574144), (416, 502376), (448, 466492), (728, 287072), (832, 251188), (896, 233246), (1456, 143536), (1664, 125594), (1792, 116623), (2912, 71768), (3328, 62797), (5824, 35884), (8971, 23296), (11648, 17942)]