261567151

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1999}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 285120000

約数和(自身を除く): 23552849

約数列:

[1, 17, 43, 179, 731, 1999, 3043, 7697, 33983, 85957, 130849, 357821, 1461269, 6082957, 15386303, 261567151]

約数ペア:

[(1, 261567151), (17, 15386303), (43, 6082957), (179, 1461269), (731, 357821), (1999, 130849), (3043, 85957), (7697, 33983)]