81971748

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{78517}}^1$

素因数の和:78556

約数の個数: 36

約数和(自身を含む): 214354140

約数和(自身を除く): 132382392

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 78517, 157034, 235551, 314068, 471102, 706653, 942204, 1413306, 2276993, 2826612, 4553986, 6830979, 9107972, 13661958, 20492937, 27323916, 40985874, 81971748]

約数ペア:

[(1, 81971748), (2, 40985874), (3, 27323916), (4, 20492937), (6, 13661958), (9, 9107972), (12, 6830979), (18, 4553986), (29, 2826612), (36, 2276993), (58, 1413306), (87, 942204), (116, 706653), (174, 471102), (261, 314068), (348, 235551), (522, 157034), (1044, 78517)]