28171808

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4105

約数の個数: 48

約数和(自身を含む): 65447424

約数和(自身を除く): 37275616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 4057, 6944, 8114, 16228, 28399, 32456, 56798, 64912, 113596, 125767, 129824, 227192, 251534, 454384, 503068, 880369, 908768, 1006136, 1760738, 2012272, 3521476, 4024544, 7042952, 14085904, 28171808]

約数ペア:

[(1, 28171808), (2, 14085904), (4, 7042952), (7, 4024544), (8, 3521476), (14, 2012272), (16, 1760738), (28, 1006136), (31, 908768), (32, 880369), (56, 503068), (62, 454384), (112, 251534), (124, 227192), (217, 129824), (224, 125767), (248, 113596), (434, 64912), (496, 56798), (868, 32456), (992, 28399), (1736, 16228), (3472, 8114), (4057, 6944)]