261566293

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 281217600

約数和(自身を除く): 19651307

約数列:

[1, 19, 59, 353, 661, 1121, 6707, 12559, 20827, 38999, 233333, 395713, 740981, 4433327, 13766647, 261566293]

約数ペア:

[(1, 261566293), (19, 13766647), (59, 4433327), (353, 740981), (661, 395713), (1121, 233333), (6707, 38999), (12559, 20827)]