71914225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{32321}}^1$

素因数の和:32420

約数の個数: 12

約数和(自身を含む): 90178380

約数和(自身を除く): 18264155

約数列:

[1, 5, 25, 89, 445, 2225, 32321, 161605, 808025, 2876569, 14382845, 71914225]

約数ペア:

[(1, 71914225), (5, 14382845), (25, 2876569), (89, 808025), (445, 161605), (2225, 32321)]