28545055

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74143}}^1$

素因数の和:74166

約数の個数: 16

約数和(自身を含む): 42706944

約数和(自身を除く): 14161889

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74143, 370715, 519001, 815573, 2595005, 4077865, 5709011, 28545055]

約数ペア:

[(1, 28545055), (5, 5709011), (7, 4077865), (11, 2595005), (35, 815573), (55, 519001), (77, 370715), (385, 74143)]