256218209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1493}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 283453632

約数和(自身を除く): 27235423

約数列:

[1, 13, 43, 307, 559, 1493, 3991, 13201, 19409, 64199, 171613, 458351, 834587, 5958563, 19709093, 256218209]

約数ペア:

[(1, 256218209), (13, 19709093), (43, 5958563), (307, 834587), (559, 458351), (1493, 171613), (3991, 64199), (13201, 19409)]