128515585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{17837}}^1$

素因数の和:17984

約数の個数: 16

約数和(自身を含む): 169532352

約数和(自身を除く): 41016767

約数列:

[1, 5, 11, 55, 131, 655, 1441, 7205, 17837, 89185, 196207, 981035, 2336647, 11683235, 25703117, 128515585]

約数ペア:

[(1, 128515585), (5, 25703117), (11, 11683235), (55, 2336647), (131, 981035), (655, 196207), (1441, 89185), (7205, 17837)]