28685881

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 34091008

約数和(自身を除く): 5405127

約数列:

[1, 7, 31, 163, 217, 811, 1141, 5053, 5677, 25141, 35371, 132193, 175987, 925351, 4097983, 28685881]

約数ペア:

[(1, 28685881), (7, 4097983), (31, 925351), (163, 175987), (217, 132193), (811, 35371), (1141, 25141), (5053, 5677)]