84478670

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{21067}}^1$

素因数の和:21475

約数の個数: 16

約数和(自身を含む): 152448048

約数和(自身を除く): 67969378

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 21067, 42134, 105335, 210670, 8447867, 16895734, 42239335, 84478670]

約数ペア:

[(1, 84478670), (2, 42239335), (5, 16895734), (10, 8447867), (401, 210670), (802, 105335), (2005, 42134), (4010, 21067)]