131621504

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2161

約数の個数: 64

約数和(自身を含む): 304041600

約数和(自身を除く): 172420096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2069, 2272, 3976, 4138, 4544, 7952, 8276, 9088, 14483, 15904, 16552, 28966, 31808, 33104, 57932, 63616, 66208, 115864, 132416, 146899, 231728, 264832, 293798, 463456, 587596, 926912, 1028293, 1175192, 1853824, 2056586, 2350384, 4113172, 4700768, 8226344, 9401536, 16452688, 18803072, 32905376, 65810752, 131621504]

約数ペア:

[(1, 131621504), (2, 65810752), (4, 32905376), (7, 18803072), (8, 16452688), (14, 9401536), (16, 8226344), (28, 4700768), (32, 4113172), (56, 2350384), (64, 2056586), (71, 1853824), (112, 1175192), (128, 1028293), (142, 926912), (224, 587596), (284, 463456), (448, 293798), (497, 264832), (568, 231728), (896, 146899), (994, 132416), (1136, 115864), (1988, 66208), (2069, 63616), (2272, 57932), (3976, 33104), (4138, 31808), (4544, 28966), (7952, 16552), (8276, 15904), (9088, 14483)]