199921232

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 463970304

約数和(自身を除く): 264049072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 112, 124, 142, 217, 248, 284, 434, 496, 497, 568, 811, 868, 994, 1136, 1622, 1736, 1988, 2201, 3244, 3472, 3976, 4402, 5677, 6488, 7952, 8804, 11354, 12976, 15407, 17608, 22708, 25141, 30814, 35216, 45416, 50282, 57581, 61628, 90832, 100564, 115162, 123256, 175987, 201128, 230324, 246512, 351974, 402256, 403067, 460648, 703948, 806134, 921296, 1407896, 1612268, 1785011, 2815792, 3224536, 3570022, 6449072, 7140044, 12495077, 14280088, 24990154, 28560176, 49980308, 99960616, 199921232]

約数ペア:

[(1, 199921232), (2, 99960616), (4, 49980308), (7, 28560176), (8, 24990154), (14, 14280088), (16, 12495077), (28, 7140044), (31, 6449072), (56, 3570022), (62, 3224536), (71, 2815792), (112, 1785011), (124, 1612268), (142, 1407896), (217, 921296), (248, 806134), (284, 703948), (434, 460648), (496, 403067), (497, 402256), (568, 351974), (811, 246512), (868, 230324), (994, 201128), (1136, 175987), (1622, 123256), (1736, 115162), (1988, 100564), (2201, 90832), (3244, 61628), (3472, 57581), (3976, 50282), (4402, 45416), (5677, 35216), (6488, 30814), (7952, 25141), (8804, 22708), (11354, 17608), (12976, 15407)]