28903975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 37153872

約数和(自身を除く): 8249897

約数列:

[1, 5, 25, 41, 163, 173, 205, 815, 865, 1025, 4075, 4325, 6683, 7093, 28199, 33415, 35465, 140995, 167075, 177325, 704975, 1156159, 5780795, 28903975]

約数ペア:

[(1, 28903975), (5, 5780795), (25, 1156159), (41, 704975), (163, 177325), (173, 167075), (205, 140995), (815, 35465), (865, 33415), (1025, 28199), (4075, 7093), (4325, 6683)]