263243008

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2163

約数の個数: 72

約数和(自身を含む): 609275520

約数和(自身を除く): 346032512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1136, 1792, 1988, 2069, 2272, 3976, 4138, 4544, 7952, 8276, 9088, 14483, 15904, 16552, 18176, 28966, 31808, 33104, 57932, 63616, 66208, 115864, 127232, 132416, 146899, 231728, 264832, 293798, 463456, 529664, 587596, 926912, 1028293, 1175192, 1853824, 2056586, 2350384, 3707648, 4113172, 4700768, 8226344, 9401536, 16452688, 18803072, 32905376, 37606144, 65810752, 131621504, 263243008]

約数ペア:

[(1, 263243008), (2, 131621504), (4, 65810752), (7, 37606144), (8, 32905376), (14, 18803072), (16, 16452688), (28, 9401536), (32, 8226344), (56, 4700768), (64, 4113172), (71, 3707648), (112, 2350384), (128, 2056586), (142, 1853824), (224, 1175192), (256, 1028293), (284, 926912), (448, 587596), (497, 529664), (568, 463456), (896, 293798), (994, 264832), (1136, 231728), (1792, 146899), (1988, 132416), (2069, 127232), (2272, 115864), (3976, 66208), (4138, 63616), (4544, 57932), (7952, 33104), (8276, 31808), (9088, 28966), (14483, 18176), (15904, 16552)]