211901936

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1173

約数の個数: 40

約数和(自身を含む): 421639680

約数和(自身を除く): 209737744

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 479, 643, 688, 958, 1286, 1916, 2572, 3832, 5144, 7664, 10288, 20597, 27649, 41194, 55298, 82388, 110596, 164776, 221192, 307997, 329552, 442384, 615994, 1231988, 2463976, 4927952, 13243871, 26487742, 52975484, 105950968, 211901936]

約数ペア:

[(1, 211901936), (2, 105950968), (4, 52975484), (8, 26487742), (16, 13243871), (43, 4927952), (86, 2463976), (172, 1231988), (344, 615994), (479, 442384), (643, 329552), (688, 307997), (958, 221192), (1286, 164776), (1916, 110596), (2572, 82388), (3832, 55298), (5144, 41194), (7664, 27649), (10288, 20597)]