261717457

素因数分解:

${\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 279360000

約数和(自身を除く): 17642543

約数列:

[1, 19, 149, 193, 479, 2831, 3667, 9101, 28757, 71371, 92447, 546383, 1356049, 1756493, 13774603, 261717457]

約数ペア:

[(1, 261717457), (19, 13774603), (149, 1756493), (193, 1356049), (479, 546383), (2831, 92447), (3667, 71371), (9101, 28757)]