163261984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1021}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 339958080

約数和(自身を除く): 176696096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 263, 304, 526, 608, 1021, 1052, 2042, 2104, 4084, 4208, 4997, 8168, 8416, 9994, 16336, 19399, 19988, 32672, 38798, 39976, 77596, 79952, 155192, 159904, 268523, 310384, 537046, 620768, 1074092, 2148184, 4296368, 5101937, 8592736, 10203874, 20407748, 40815496, 81630992, 163261984]

約数ペア:

[(1, 163261984), (2, 81630992), (4, 40815496), (8, 20407748), (16, 10203874), (19, 8592736), (32, 5101937), (38, 4296368), (76, 2148184), (152, 1074092), (263, 620768), (304, 537046), (526, 310384), (608, 268523), (1021, 159904), (1052, 155192), (2042, 79952), (2104, 77596), (4084, 39976), (4208, 38798), (4997, 32672), (8168, 19988), (8416, 19399), (9994, 16336)]