128171857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{5003}}^1$

素因数の和:5168

約数の個数: 16

約数和(自身を含む): 149159232

約数和(自身を除く): 20987375

約数列:

[1, 11, 17, 137, 187, 1507, 2329, 5003, 25619, 55033, 85051, 685411, 935561, 7539521, 11651987, 128171857]

約数ペア:

[(1, 128171857), (11, 11651987), (17, 7539521), (137, 935561), (187, 685411), (1507, 85051), (2329, 55033), (5003, 25619)]