1285283377

素因数分解:

$7^2\times {\mathrm{139}}^1\times {\mathrm{188707}}^1$

素因数の和:188860

約数の個数: 12

約数和(自身を含む): 1505889840

約数和(自身を除く): 220606463

約数列:

[1, 7, 49, 139, 973, 6811, 188707, 1320949, 9246643, 26230273, 183611911, 1285283377]

約数ペア:

[(1, 1285283377), (7, 183611911), (49, 26230273), (139, 9246643), (973, 1320949), (6811, 188707)]