256305243

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{70783}}^1$

素因数の和:70874

約数の個数: 16

約数和(自身を含む): 366944256

約数和(自身を除く): 110639013

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 70783, 212349, 1203311, 3609933, 5025593, 15076779, 85435081, 256305243]

約数ペア:

[(1, 256305243), (3, 85435081), (17, 15076779), (51, 5025593), (71, 3609933), (213, 1203311), (1207, 212349), (3621, 70783)]