28223965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73309}}^1$

素因数の和:73332

約数の個数: 16

約数和(自身を含む): 42226560

約数和(自身を除く): 14002595

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73309, 366545, 513163, 806399, 2565815, 4031995, 5644793, 28223965]

約数ペア:

[(1, 28223965), (5, 5644793), (7, 4031995), (11, 2565815), (35, 806399), (55, 513163), (77, 366545), (385, 73309)]