161872465

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1\times {\mathrm{839}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 198858240

約数和(自身を除く): 36985775

約数列:

[1, 5, 47, 235, 821, 839, 4105, 4195, 38587, 39433, 192935, 197165, 688819, 3444095, 32374493, 161872465]

約数ペア:

[(1, 161872465), (5, 32374493), (47, 3444095), (235, 688819), (821, 197165), (839, 192935), (4105, 39433), (4195, 38587)]