16091945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 21234312

約数和(自身を除く): 5142367

約数列:

[1, 5, 17, 31, 85, 155, 197, 527, 961, 985, 2635, 3349, 4805, 6107, 16337, 16745, 30535, 81685, 103819, 189317, 519095, 946585, 3218389, 16091945]

約数ペア:

[(1, 16091945), (5, 3218389), (17, 946585), (31, 519095), (85, 189317), (155, 103819), (197, 81685), (527, 30535), (961, 16745), (985, 16337), (2635, 6107), (3349, 4805)]