81329192

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5651}}^1$

素因数の和:5921

約数の個数: 32

約数和(自身を含む): 174985920

約数和(自身を除く): 93656728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 5651, 7196, 11302, 14392, 22604, 39557, 45208, 79114, 158228, 316456, 1452307, 2904614, 5809228, 10166149, 11618456, 20332298, 40664596, 81329192]

約数ペア:

[(1, 81329192), (2, 40664596), (4, 20332298), (7, 11618456), (8, 10166149), (14, 5809228), (28, 2904614), (56, 1452307), (257, 316456), (514, 158228), (1028, 79114), (1799, 45208), (2056, 39557), (3598, 22604), (5651, 14392), (7196, 11302)]