261814319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{1307}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 297386880

約数和(自身を除く): 35572561

約数列:

[1, 13, 19, 247, 811, 1307, 10543, 15409, 16991, 24833, 200317, 322829, 1059977, 13779701, 20139563, 261814319]

約数ペア:

[(1, 261814319), (13, 20139563), (19, 13779701), (247, 1059977), (811, 322829), (1307, 200317), (10543, 24833), (15409, 16991)]