340433279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 393338880

約数和(自身を除く): 52905601

約数列:

[1, 17, 19, 43, 127, 193, 323, 731, 817, 2159, 2413, 3281, 3667, 5461, 8299, 13889, 24511, 41021, 62339, 92837, 103759, 141083, 157681, 416687, 465709, 1053973, 1763903, 2680577, 7917053, 17917541, 20025487, 340433279]

約数ペア:

[(1, 340433279), (17, 20025487), (19, 17917541), (43, 7917053), (127, 2680577), (193, 1763903), (323, 1053973), (731, 465709), (817, 416687), (2159, 157681), (2413, 141083), (3281, 103759), (3667, 92837), (5461, 62339), (8299, 41021), (13889, 24511)]