8180305

素因数分解:

$5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 11544552

約数和(自身を除く): 3364247

約数列:

[1, 5, 7, 35, 49, 173, 193, 245, 865, 965, 1211, 1351, 6055, 6755, 8477, 9457, 33389, 42385, 47285, 166945, 233723, 1168615, 1636061, 8180305]

約数ペア:

[(1, 8180305), (5, 1636061), (7, 1168615), (35, 233723), (49, 166945), (173, 47285), (193, 42385), (245, 33389), (865, 9457), (965, 8477), (1211, 6755), (1351, 6055)]