28589875

素因数分解:

$5^3\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:975

約数の個数: 16

約数和(自身を含む): 35830080

約数和(自身を除く): 7240205

約数列:

[1, 5, 25, 125, 439, 521, 2195, 2605, 10975, 13025, 54875, 65125, 228719, 1143595, 5717975, 28589875]

約数ペア:

[(1, 28589875), (5, 5717975), (25, 1143595), (125, 228719), (439, 65125), (521, 54875), (2195, 13025), (2605, 10975)]