161620084

素因数分解:

$2^2\times {\mathrm{89}}^2\times {\mathrm{5101}}^1$

素因数の和:5283

約数の個数: 18

約数和(自身を含む): 286104854

約数和(自身を除く): 124484770

約数列:

[1, 2, 4, 89, 178, 356, 5101, 7921, 10202, 15842, 20404, 31684, 453989, 907978, 1815956, 40405021, 80810042, 161620084]

約数ペア:

[(1, 161620084), (2, 80810042), (4, 40405021), (89, 1815956), (178, 907978), (356, 453989), (5101, 31684), (7921, 20404), (10202, 15842)]