218701585

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{20129}}^1$

素因数の和:20228

約数の個数: 16

約数和(自身を含む): 273929040

約数和(自身を除く): 55227455

約数列:

[1, 5, 41, 53, 205, 265, 2173, 10865, 20129, 100645, 825289, 1066837, 4126445, 5334185, 43740317, 218701585]

約数ペア:

[(1, 218701585), (5, 43740317), (41, 5334185), (53, 4126445), (205, 1066837), (265, 825289), (2173, 100645), (10865, 20129)]