71820145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{16879}}^1$

素因数の和:16944

約数の個数: 16

約数和(自身を含む): 92367360

約数和(自身を除く): 20547215

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 16879, 84395, 388217, 624523, 1941085, 3122615, 14364029, 71820145]

約数ペア:

[(1, 71820145), (5, 14364029), (23, 3122615), (37, 1941085), (115, 624523), (185, 388217), (851, 84395), (4255, 16879)]