261689279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{1697}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 284611968

約数和(自身を除く): 22922689

約数列:

[1, 17, 47, 193, 799, 1697, 3281, 9071, 28849, 79759, 154207, 327521, 1355903, 5567857, 15393487, 261689279]

約数ペア:

[(1, 261689279), (17, 15393487), (47, 5567857), (193, 1355903), (799, 327521), (1697, 154207), (3281, 79759), (9071, 28849)]