1285784065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{260017}}^1$

素因数の和:260088

約数の個数: 16

約数和(自身を含む): 1647474048

約数和(自身を除く): 361689983

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 260017, 1300085, 5980391, 11180731, 29901955, 55903655, 257156813, 1285784065]

約数ペア:

[(1, 1285784065), (5, 257156813), (23, 55903655), (43, 29901955), (115, 11180731), (215, 5980391), (989, 1300085), (4945, 260017)]