28931665

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4283}}^1$

素因数の和:4488

約数の個数: 16

約数和(自身を含む): 39892608

約数和(自身を除く): 10960943

約数列:

[1, 5, 7, 35, 193, 965, 1351, 4283, 6755, 21415, 29981, 149905, 826619, 4133095, 5786333, 28931665]

約数ペア:

[(1, 28931665), (5, 5786333), (7, 4133095), (35, 826619), (193, 149905), (965, 29981), (1351, 21415), (4283, 6755)]