261126229

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{66733}}^1$

素因数の和:66796

約数の個数: 16

約数和(自身を含む): 328865152

約数和(自身を除く): 67738923

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 66733, 467131, 867529, 2869519, 6072703, 20086633, 37303747, 261126229]

約数ペア:

[(1, 261126229), (7, 37303747), (13, 20086633), (43, 6072703), (91, 2869519), (301, 867529), (559, 467131), (3913, 66733)]