17289905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 23466240

約数和(自身を除く): 6176335

約数列:

[1, 5, 19, 23, 41, 95, 115, 193, 205, 437, 779, 943, 965, 2185, 3667, 3895, 4439, 4715, 7913, 17917, 18335, 22195, 39565, 84341, 89585, 150347, 181999, 421705, 751735, 909995, 3457981, 17289905]

約数ペア:

[(1, 17289905), (5, 3457981), (19, 909995), (23, 751735), (41, 421705), (95, 181999), (115, 150347), (193, 89585), (205, 84341), (437, 39565), (779, 22195), (943, 18335), (965, 17917), (2185, 7913), (3667, 4715), (3895, 4439)]