84971990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{447221}}^1$

素因数の和:447247

約数の個数: 16

約数和(自身を含む): 160999920

約数和(自身を除く): 76027930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 447221, 894442, 2236105, 4472210, 8497199, 16994398, 42485995, 84971990]

約数ペア:

[(1, 84971990), (2, 42485995), (5, 16994398), (10, 8497199), (19, 4472210), (38, 2236105), (95, 894442), (190, 447221)]