28799995

素因数分解:

$5^1\times 7^4\times {\mathrm{2399}}^1$

素因数の和:2432

約数の個数: 20

約数和(自身を含む): 40334400

約数和(自身を除く): 11534405

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2399, 2401, 11995, 12005, 16793, 83965, 117551, 587755, 822857, 4114285, 5759999, 28799995]

約数ペア:

[(1, 28799995), (5, 5759999), (7, 4114285), (35, 822857), (49, 587755), (245, 117551), (343, 83965), (1715, 16793), (2399, 12005), (2401, 11995)]