261004022

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{4177}}^1$

素因数の和:4535

約数の個数: 16

約数和(自身を含む): 396074400

約数和(自身を除く): 135070378

約数列:

[1, 2, 157, 199, 314, 398, 4177, 8354, 31243, 62486, 655789, 831223, 1311578, 1662446, 130502011, 261004022]

約数ペア:

[(1, 261004022), (2, 130502011), (157, 1662446), (199, 1311578), (314, 831223), (398, 655789), (4177, 62486), (8354, 31243)]