28230085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 38183544

約数和(自身を除く): 9953459

約数列:

[1, 5, 13, 23, 65, 115, 299, 529, 821, 1495, 2645, 4105, 6877, 10673, 18883, 34385, 53365, 94415, 245479, 434309, 1227395, 2171545, 5646017, 28230085]

約数ペア:

[(1, 28230085), (5, 5646017), (13, 2171545), (23, 1227395), (65, 434309), (115, 245479), (299, 94415), (529, 53365), (821, 34385), (1495, 18883), (2645, 10673), (4105, 6877)]