81174256

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 160309184

約数和(自身を除く): 79134928

約数列:

[1, 2, 4, 8, 16, 97, 193, 194, 271, 386, 388, 542, 772, 776, 1084, 1544, 1552, 2168, 3088, 4336, 18721, 26287, 37442, 52303, 52574, 74884, 104606, 105148, 149768, 209212, 210296, 299536, 418424, 420592, 836848, 5073391, 10146782, 20293564, 40587128, 81174256]

約数ペア:

[(1, 81174256), (2, 40587128), (4, 20293564), (8, 10146782), (16, 5073391), (97, 836848), (193, 420592), (194, 418424), (271, 299536), (386, 210296), (388, 209212), (542, 149768), (772, 105148), (776, 104606), (1084, 74884), (1544, 52574), (1552, 52303), (2168, 37442), (3088, 26287), (4336, 18721)]