87821888

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 112

約数和(自身を含む): 221211648

約数和(自身を除く): 133389760

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 71, 77, 88, 112, 142, 154, 176, 224, 251, 284, 308, 352, 448, 497, 502, 568, 616, 704, 781, 994, 1004, 1136, 1232, 1562, 1757, 1988, 2008, 2272, 2464, 2761, 3124, 3514, 3976, 4016, 4544, 4928, 5467, 5522, 6248, 7028, 7952, 8032, 10934, 11044, 12496, 14056, 15904, 16064, 17821, 19327, 21868, 22088, 24992, 28112, 31808, 35642, 38654, 43736, 44176, 49984, 56224, 71284, 77308, 87472, 88352, 112448, 124747, 142568, 154616, 174944, 176704, 196031, 249494, 285136, 309232, 349888, 392062, 498988, 570272, 618464, 784124, 997976, 1140544, 1236928, 1372217, 1568248, 1995952, 2744434, 3136496, 3991904, 5488868, 6272992, 7983808, 10977736, 12545984, 21955472, 43910944, 87821888]

約数ペア:

[(1, 87821888), (2, 43910944), (4, 21955472), (7, 12545984), (8, 10977736), (11, 7983808), (14, 6272992), (16, 5488868), (22, 3991904), (28, 3136496), (32, 2744434), (44, 1995952), (56, 1568248), (64, 1372217), (71, 1236928), (77, 1140544), (88, 997976), (112, 784124), (142, 618464), (154, 570272), (176, 498988), (224, 392062), (251, 349888), (284, 309232), (308, 285136), (352, 249494), (448, 196031), (497, 176704), (502, 174944), (568, 154616), (616, 142568), (704, 124747), (781, 112448), (994, 88352), (1004, 87472), (1136, 77308), (1232, 71284), (1562, 56224), (1757, 49984), (1988, 44176), (2008, 43736), (2272, 38654), (2464, 35642), (2761, 31808), (3124, 28112), (3514, 24992), (3976, 22088), (4016, 21868), (4544, 19327), (4928, 17821), (5467, 16064), (5522, 15904), (6248, 14056), (7028, 12496), (7952, 11044), (8032, 10934)]