71320445

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47389}}^1$

素因数の和:47444

約数の個数: 16

約数和(自身を含む): 100087680

約数和(自身を除く): 28767235

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 47389, 236945, 331723, 1658615, 2037727, 10188635, 14264089, 71320445]

約数ペア:

[(1, 71320445), (5, 14264089), (7, 10188635), (35, 2037727), (43, 1658615), (215, 331723), (301, 236945), (1505, 47389)]