156904190

素因数分解:

$2^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{19937}}^1$

素因数の和:20731

約数の個数: 16

約数和(自身を含む): 282800592

約数和(自身を除く): 125896402

約数列:

[1, 2, 5, 10, 787, 1574, 3935, 7870, 19937, 39874, 99685, 199370, 15690419, 31380838, 78452095, 156904190]

約数ペア:

[(1, 156904190), (2, 78452095), (5, 31380838), (10, 15690419), (787, 199370), (1574, 99685), (3935, 39874), (7870, 19937)]