28439285

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28019}}^1$

素因数の和:28060

約数の個数: 16

約数和(自身を含む): 40348800

約数和(自身を除く): 11909515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 28019, 140095, 196133, 812551, 980665, 4062755, 5687857, 28439285]

約数ペア:

[(1, 28439285), (5, 5687857), (7, 4062755), (29, 980665), (35, 812551), (145, 196133), (203, 140095), (1015, 28019)]