81515630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5519}}^1$

素因数の和:5744

約数の個数: 32

約数和(自身を含む): 168514560

約数和(自身を除く): 86998930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 5519, 7385, 11038, 14770, 27595, 38633, 55190, 77266, 193165, 386330, 1164509, 2329018, 5822545, 8151563, 11645090, 16303126, 40757815, 81515630]

約数ペア:

[(1, 81515630), (2, 40757815), (5, 16303126), (7, 11645090), (10, 8151563), (14, 5822545), (35, 2329018), (70, 1164509), (211, 386330), (422, 193165), (1055, 77266), (1477, 55190), (2110, 38633), (2954, 27595), (5519, 14770), (7385, 11038)]